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Euler's phi function |Solved examples |Cryptography

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𝗗𝗢𝗪𝗡𝗟𝗢𝗔𝗗 𝗦𝗵𝗿𝗲𝗻𝗶𝗸 𝗝𝗮𝗶𝗻 - 𝗦𝘁𝘂𝗱𝘆 𝗦𝗶𝗺𝗽𝗹𝗶𝗳𝗶𝗲𝗱 (𝗔𝗽𝗽) :
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5 сен 2024

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Комментарии : 186

@victoriasaffirelillo3246 2 года назад

Since the prime factors of 777 = 3 x 7 x 37, hence phi (777) = phi(3).phi(7).phi(37). Using the rule: phi(p) = p-1, then we have phi(777) = (3-1)(7-1)(37-1) = 2.6.36 = 432.

@MumblinOnTheMoon Год назад

This video helped me understand the concept so much better than before. Thank you kindly.

@WarLord13 Год назад

Thanks a lot ... I was searching for the "49" questions ,,, u helped me a lot 🙌🙌🙌🙌

@ridleyshaw4810 3 года назад

Mate, this video saved my ass in my Cryptography assignment! Great video! Keep up the good work.

@jdums8534 4 месяца назад

crypto? That sounds high lvl class, I was even forced to learn this sht in first year math class dyum

@sayedamirkazemi6371 4 года назад

really awesome .thank u so much and very nice explanation

@ShrenikJain 4 года назад

Welcome

@muhammadzkriya9247 4 месяца назад

So simple .. so efficient.. So Good

@clipXcrafter Месяц назад

Great video sirrr...really helpful....found error on my teacher's pdf as well

@ajit7543 Год назад

Thank you so much bro In one video me understood the whole topic of this vdo view only one no any doubt no repeat🔁 no pause for understand nothing U r a gem 💎

@brianerlich2510 2 года назад

Shoutout to this youtube video for being better than my professor.

@tiaramaulidasedena328 4 года назад

i like your video, its easy to understand . thank you

@risvanaabu8890 4 года назад

ans 432…????????

@mainviral4648 4 года назад

Yes,777=7*3*37

@anusree.kkattumunda776 3 года назад

It's too simple... good class& more helped 👏👏👏break a leg

@tanushree7620 3 года назад

Explained so nicely...I got this topic in one go...thank you so much

@sitenkhuntia3830 3 года назад

Phi(1)=?

@usmanhassan8818 4 года назад

great and helpful lecture for me.thank you so much.love from pakistan

@mandipgujjaryt9842 3 года назад

Thank you sir your explanation is too great ❤️❤️❤️❤️ And the answer is 432

@kyp13260 3 года назад

Thank you sir you made this yopic very clear for me and yes I did the same mistake but then corrected after watching your video🙏🏻

@fatimatulzahra8318 6 месяцев назад

Am in difficulty thanks to help me bro

@arjuncs7638 2 года назад

Thnak you sir direct to the comcept no beating around the bush wonderfull teaching

@user-dr1pz2dw3o 3 года назад

Thank you so much! Your explanation is very clear!!

@sidratul-muntaha6372 3 года назад

Thanks for great explanation sir, and Phi(777)=432 :)

@SRISWA007 3 года назад

phi(m*n) = phi(m) * phi(n), iff gcd(m,n) = 1 aka m & n should be coprime. In case of phi(49), we would get our m = 7 and n = 7 and we would be finding phi(7*7) according to formula mentioned above. But, it only works when gcd(7,7) = 1 ----- but unfortunately, gcd(7,7) = 7.

@kittenkong3135 2 года назад

Amazing explanation. thank you for helping me with my cryptography class

@taebear3355 3 года назад

Thank you so much for your video. It make my doubts clear ❤️

@reshmasonar5643 Год назад

crystal clear explanation .Thank you so much

@rubinakhan4781 4 года назад

Thanks sir .... Muje clear krna Tha ....

@laicadagondon6037 2 года назад

Thank you sir, now I fully understand this topic.

@bubblybubbles2789 3 года назад

Tx sir this topic is in applied maths class 12th cbse ncert now all the doubt regarding this topic crystal clear now 😀

@subhadrapatra7733 Год назад

Tq so much brother... It's help me a lot to understand 👍😊

@nimraghaffar6966 2 года назад

Thank you sir I understand this topic very clearly so again thank you

@suvarthagollamandala8101 Месяц назад

Thank you Sir 🙏

@hpsharma1207 4 года назад

great explanation thank you sir.

@anjaliyadav6303 3 года назад

By the way very helpful lecture .. thanks a lot 🙏🏻

@mohitzen 2 года назад

Very helpful. Thanks for your help

@somalekhatb3834 4 года назад

phi(777)=432

@ajinruben4184 3 года назад

Thanks so much..very clear explanation

@muktikantasamal 2 года назад

Thankyou Sir ❤️❤️

@kingpin7392 4 года назад

Sir nice strategy of explaining with examples 😀

@davinchow1536 3 года назад

Literally lifesaver

@victorraulagurtotavara4359 3 года назад

simple and practice, very good ¡

@jyotirajpal7285 Год назад

Great job

@lzk_official5122 3 года назад

Thank you sir for a very clear lecture

@mathmagic3202 4 года назад

Thanks a lot sir ji

@vasanthytk6171 4 года назад

Thank you so much.....😍

@sahibdeepsinghratta3916 3 года назад

Vry helpful video thx sir

@r.psaxena8187 4 года назад

I liked your video You explain very nice

@juwileenedomondon1377 3 года назад

nice ...:) thank you thank you.. :) very clear .. i learned a lot

@sreenathramanathan6040 Год назад

Thank you

@ramonadlawan8397 4 года назад

Thank you so much..........

@Thakurs0 3 года назад

777=37×3×7 Phi(37)×phi(3)×phi(7) =36×2×6=432

@chethansv4135 5 лет назад

Ans:-432

@mangaraj45 2 года назад

Good explanation 🙏🏼

@m10pradyuman 3 года назад

The value of euler phi of 1 = 1, not 0 as said in the video.

@harshdixitproductions 3 года назад

Hey.. mene bohot search kia Mila nahi Can you tell me why is that ?

@tanmayabubusahoo8396 2 года назад

What type of question ask to related to this concept

@harmanmuhammad3696 2 года назад

well done helped a lot.

@jassujk1390 2 года назад

Thanks sir

@mmmapplesauce1673 2 года назад

Thanks man

@radhikanegi28 3 года назад

Thank you so much sir 😊😊

@eternaldreams876 3 года назад

some of them still uploaded the easy problem but you uploaded all categories. I like it.

@SaveIndianWomen Год назад

Great work 🎁

@kdramafangirl5981 3 года назад

Thanks, it's literally save me👍

@studyandculturewitharnavi7887 2 года назад

Thanks

@kantatanahashi4797 Год назад

YOU ARE THE MAN

@nagasatisha1 4 года назад

very nice explaination

@shekhdeep 4 года назад

Good Job Brother

@user-tn8wz2wp5o 3 года назад

شكرا جزيلا .....💞

@harshraghav5270 Год назад

Thanks brother 🔥

@markogutu2935 2 года назад

Amazing

@chiraggouri 3 года назад

nice explain...thx

@vikash1752 3 года назад

Nice explanation

@ARUNAVA123100 3 года назад

The great explanation. You are a great teacher .The answer of phi(777) is 660

@Ahmad_Alhasanat 3 года назад

φ(777)=432 not 660 φ(777)=φ(7)φ((3)φ(37) = 6x2x36 = 432

@zanibawanzanibawan1511 3 года назад

Thanks from pakistan thanks a lot kl mra mid hai uni mai ap ny hlp ki

@somansoman8162 3 года назад

Tnk u sir

@aad4186 4 года назад

Hell yea got it in one go

@shravanibhaisa8103 2 года назад

Tqq sir

@shafnaazeeb6120 4 года назад

Nice job🌼

@shonaacharm1506 3 года назад

Sir here is Mistake phi (1) = 1 and is phi (777) = 432.🙂

@jayapathak814 2 года назад

Yes phi of 1=1..

@mynajafee3360 2 года назад

Thc

@zohrafatmazaidi5134 3 года назад

Can you please tell me how to find those elements which do not belong to range of euler phi function?

@jadabbarik2751 4 года назад

432 is the answer,, phi (1) =1 not 0

@rutvijwagh6216 4 года назад

phi of 1 is 1

@witriandika7080 3 года назад

Thankyou so much

@DonaldMurf 3 года назад

how do I find phi of something like 3^90?

@ushasharan1611 3 года назад

160200

@tobiasmeier5076 3 года назад

5.81864238*10^42

@souftea 3 года назад

Sir, shouldn't phi of 1 be 1?? Nice explanation!

@RealShinra Год назад

1 to the power of anything is still 1, so 1 - 1 is 0

@VenkataRamyaKanuri 10 дней назад

Pie of 1 is 1

@VishalSaini-ce6ti 4 года назад

Thanks sir....

@master_0f_gaming 10 месяцев назад

Nice

@shabhareash Год назад

what if we can't find the factor of a number ?

@jhoncarlodelmonte1254 3 года назад

Why it become 64 ? (EXAMPLE 3) If Phi of 2 raise to 4 = (16-8) = 6 Phi of 5 = (5-1) = 4 Phi of 3 = (3-1) = 2 6 x 4 x 2 = 48

@jhoncarlodelmonte1254 3 года назад

Anyways thank you for the information

@sonalishinde1100 2 года назад

16-8=8

@sreelakshmip5355 3 года назад

Can you give solution for phi(d(2100))

@all_exams_gs_upsc 3 года назад

Helpful bro

@riyak.s.817 3 года назад

Got your each and every line very clearly👍👍

@akshitjasrotia9579 3 года назад

very useful

@AvtarSingh-tv6fs 3 года назад

Great 👍

@anjummaatif9217 4 года назад

Wonderful

@md.shakeelquantumlecturese8139 3 года назад

Sir, phi of 1 equal 1 not zero

@jabulilekhoza7617 4 года назад

Is rule 3 equivalent to p(p-1) ?

@aroojfatima6482 4 года назад

thankew💞👍

@rubberband4696 2 года назад

How will we find the phi of 4

@subiyaaly6685 11 месяцев назад

I think phi(1^10)=0?

@mukeshkumari9892 3 года назад

Thnks sir