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Questions Tagged with "elementary number theory" (Page 2)

Explore solved questions tagged with "elementary number theory" or help others by answering their unsolved questions related to "elementary number theory".

How to prove that there is an infinite number of primitive pythagorean triples such as $b=a+1$ and $2 | a$?

2 answer

Mathematics Asked 2 years ago

How does the process of simplifying imaginary numbers actually work?

5 answer

Mathematics Asked 2 years ago

Integer exponent equation

2 answer

Mathematics Asked 2 years ago by rashed a564

How are these two sets equivalent

1 answer

Mathematics Asked 2 years ago

If $p$ and $q$ are coprime positive integers s.t. $frac{p}{q}=sum_{k=0}^{100}frac1{3^{2^k}+1}$, what is the smallest prime factor of $p$?

1 answer

Mathematics Asked 2 years ago

Remainder of $15^{81}$ divided by $13$ without using Fermat's Little theorem.

2 answer

Mathematics Asked 2 years ago

What are some ("small") Riesel numbers without a covering set?

1 answer

Mathematics Asked 2 years ago by Jeppe Stig Nielsen

Condition for the sum of two fractions to be irreducible

1 answer

Mathematics Asked 2 years ago by Nilotpal Sinha

Simple proof of: if $axequiv ay pmod{m}$, and $gcd(a,m)=1$, then $xequiv y$

3 answer

Mathematics Asked 2 years ago

Is this a new method for finding powers?

4 answer

Mathematics Asked 2 years ago

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