Q: Is 61,521 a Prime Number?
A: No, 61,521 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 61521 can be evenly divided by 1 3 20,507 and 61,521, with no remainder.
Since 61,521 cannot be divided by just 1 and 61,521, it is not a prime number.