Q: Is 121,537 a Prime Number?
A: No, 121,537 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 121537 can be evenly divided by 1 13 9,349 and 121,537, with no remainder.
Since 121,537 cannot be divided by just 1 and 121,537, it is not a prime number.