List questions from totient-function

Published on 23 Feb 2026 - 4:59

149

Views

How to calculate $\varphi(103)$?

Published on 25 Mar 2026 - 17:24

256

Views

Computing last two digits of $27^{2018}$

Published on 17 Mar 2019 - 20:32

175

Views

How can I break up a larger number into smaller numbers and exponents?

Published on 18 Mar 2019 - 20:22

89

Views

Another sum involving totient function or gcd

Published on 25 Mar 2026 - 11:09

718

Views

Count Integers Not Greater Than $a$ Coprime To $b$

Published on 23 Feb 2026 - 4:55

1k

Views

Find last 3 digits of $ 2032^{2031^{2030^{\dots^{2^{1}}}}}$

Published on 24 Mar 2019 - 20:59

717

Views

number of coprimes to a less than b

Published on 02 Apr 2019 - 17:38

92

Views

Modular exponentiation with the Carmichael function

Published on 22 Mar 2026 - 20:26

77

Views

Show that m has to be even if for every integer $a$, $a^m\equiv1\pmod{n}$.

Published on 10 Apr 2019 - 15:02

55

Views

Is the function $\ g(n)\ $ defined for every positive integer $\ n\ $?

Published on 14 Apr 2019 - 12:01

159

Views

remainder of $(2^{87}-1) \div 89$

Published on 15 Apr 2019 - 20:40

94

Views

Can we exploit the unique totient property of primes for a solution to Goldbach's Conjecture (strong)?

Published on 25 Mar 2026 - 6:12

73

Views

How many primes and semiprimes are generated by this sum?

Published on 19 Mar 2026 - 23:13

2.6k

Views

Prove that $\varphi(p^k)=p^k-p^{k-1}$ for prime $p$

Published on 24 Apr 2019 - 20:15

List Question

Sum of the number of relatively prime integers up to $x$, $x-1$, $\ldots$, $1$

How to calculate $\varphi(103)$?

Computing last two digits of $27^{2018}$

How can I break up a larger number into smaller numbers and exponents?

Another sum involving totient function or gcd

Count Integers Not Greater Than $a$ Coprime To $b$

Find last 3 digits of $ 2032^{2031^{2030^{\dots^{2^{1}}}}}$

number of coprimes to a less than b

Modular exponentiation with the Carmichael function

Show that m has to be even if for every integer $a$, $a^m\equiv1\pmod{n}$.

Is the function $\ g(n)\ $ defined for every positive integer $\ n\ $?

remainder of $(2^{87}-1) \div 89$

Can we exploit the unique totient property of primes for a solution to Goldbach's Conjecture (strong)?

How many primes and semiprimes are generated by this sum?

Prove that $\varphi(p^k)=p^k-p^{k-1}$ for prime $p$

Trending Questions

Popular # Hahtags

Popular Questions