If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Number Theory — quick quiz

5 real IOQM questions on Number Theory. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

EASY

What is the smallest positive integer n such that 2025n is a perfect square?