Q: Is 72,157 a Prime Number?
A: No, 72,157 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 72157 can be evenly divided by 1 59 1,223 and 72,157, with no remainder.
Since 72,157 cannot be divided by just 1 and 72,157, it is not a prime number.