List questions from prime-factorization

Published on 16 Feb 2014 - 4:45

141

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Approximating number of integers with smallest prime factor above a given number?

Published on 17 Feb 2014 - 1:26

716

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Odd Number of Factors in Prime Factorization during Euler Function evaluation

Published on 17 Feb 2014 - 13:30

56

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If there is an integer $n$ such that $n^2\equiv3\pmod p$, where $p$ is prime, prove there are integers $a$ and $b$ such that $|a^2-3b^2|=p$

Published on 18 Feb 2014 - 6:13

213

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Prime factors of $2^{2^2}+3^{3^3}+5^{5^5}+7^{7^7}$

Published on 26 Mar 2026 - 21:27

120

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Factoring into primes using the norm function

Published on 23 Feb 2014 - 15:41

732

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Find prime factorization in the ring $\mathbb{Z}\left[\frac{-1 + \sqrt{3}}{2}\right]$

Published on 23 Feb 2014 - 22:51

9k

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How many elements are in the invertible set $\mathbb{Z}_n$?

Published on 23 Feb 2014 - 23:10

2.1k

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GCD or LCM confusion

Published on 08 Mar 2014 - 8:50

386

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Understanding a plot of composite numbers against the ordinal position of their prime factors

Published on 26 Mar 2026 - 15:17

109

Views

Counting integers in a sequence with a least prime factor = $p$

Published on 10 Apr 2017 - 17:59

73

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Prime power decomposition

Published on 10 Apr 2017 - 22:18

111

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GCD(100!,1.9442173520703009076224 × 10^22)

Published on 11 Apr 2017 - 2:19

92

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Counting integers in a consecutive sequence where least prime factor is greater than $3$.

Published on 12 Apr 2017 - 1:47

2.5k

Views

Given the numerical succession 5, 55, 555, 5555, 55555... Are there numbers that are multiples of 495? If so, determine the lowest.

Published on 13 Apr 2017 - 21:21

List Question

Proof involving prime factorization

Approximating number of integers with smallest prime factor above a given number?

Odd Number of Factors in Prime Factorization during Euler Function evaluation

If there is an integer $n$ such that $n^2\equiv3\pmod p$, where $p$ is prime, prove there are integers $a$ and $b$ such that $|a^2-3b^2|=p$

Prime factors of $2^{2^2}+3^{3^3}+5^{5^5}+7^{7^7}$

Factoring into primes using the norm function

Find prime factorization in the ring $\mathbb{Z}\left[\frac{-1 + \sqrt{3}}{2}\right]$

How many elements are in the invertible set $\mathbb{Z}_n$?

GCD or LCM confusion

Understanding a plot of composite numbers against the ordinal position of their prime factors

Counting integers in a sequence with a least prime factor = $p$

Prime power decomposition

GCD(100!,1.9442173520703009076224 × 10^22)

Counting integers in a consecutive sequence where least prime factor is greater than $3$.

Given the numerical succession 5, 55, 555, 5555, 55555... Are there numbers that are multiples of 495? If so, determine the lowest.

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