User Mrexcel - Mathematics Stack Exchange

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Mrexcel

Member for 5 years, 2 months
Last seen more than a week ago

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365

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1k

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3

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8

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Yearling

Oct 3

6

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Curious

Oct 20
Custodian

May 1, 2024
Commentator

Apr 23, 2024

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4

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36

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3

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27

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9

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diophantine-equations

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9

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1

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9

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View all questions and answers

7

Finding least positive integer $k>1$ such that there exactly exists 100 primes with the form $m!-k$

Apr 20, 2024

3

primes with the form $q!−p$ for prime p and n consecutive integers $q \in\{k,k+1,k+2,..k+n-1\}$

May 5, 2024

3

What is the minimum number of 114154ドル$'s required to construct an expression—using only parentheses and the four basic operators—that equals 1919810? [closed]

Oct 19

3

Is there a solution that $p^5=p_1^5+p_2^5+p_3^5+p_4^5+p_5^5$ with all bases$\{p,p_1,p_2,p_3,p_4,p_5\} $are prime numbers? [closed]

Nov 12

2

Any efficient ways to find the smallest number k such that the sum of the digits of k^3 is equal to 1000?

Jun 19, 2024

1

What is the largest number that is the digit sum of a 60ドル$-digit square number? [closed]

Apr 17, 2024

1

How many solutions with equation n*x*y*z*w = (x + n) (y + n) (z + n) (w + n)?

Jun 20, 2024

0

Efficient algorithm for solving Diophantine equation $x ^ 2+y ^ 3+z ^ 5=w ^ 7$ with $\gcd (x, y, z)=1$.

Sep 21

0

On the parity of number of integer solutions to 2ドルx^2+yz=p$

Apr 18, 2024

-1

The multiple of 26ドル$ with the least digit sum

Apr 17, 2024