Q: Is 37,521 a Prime Number?
A: No, 37,521 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 37521 can be evenly divided by 1 3 9 11 33 99 379 1,137 3,411 4,169 12,507 and 37,521, with no remainder.
Since 37,521 cannot be divided by just 1 and 37,521, it is not a prime number.