problem of arithmetic
60847
What three odd integers have a sum of 30?
79485
Problem with solving systems of linear congruence of two variables
47611
Integers and integer functions
6700
An Olympiad problem in prime numbers :can we proof that "n" is prime in this case "
123441
Quadratic congruences problem $(x^2-a)(x^2-b)(x^2-ab)$ ≡ 0 (mod p)
127422
Problem on Linear Diophantine Equation over 3 variables
19976
Riddle (simple arithmetic problem/illusion)
145007
Two problems on real number series
67249
Can you determine a formula for this problem?
33495
A limit problem about $a_{n+1}=a_n+\frac{n}{a_n}$
127331
One Problem Regarding Expectation
126297
A high school Olympiad problem
962
divisibility problem using induction
8926
A problem regarding to Schur's lemma
130636
A result of Erdős on increasing multiplicative functions
151036
arithmetic progression of primes
41412
Inequality in number theory