Q: Is 72,921 a Prime Number?
A: No, 72,921 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 72921 can be evenly divided by 1 3 109 223 327 669 24,307 and 72,921, with no remainder.
Since 72,921 cannot be divided by just 1 and 72,921, it is not a prime number.