Q: Is 122,457 a Prime Number?
A: No, 122,457 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 122457 can be evenly divided by 1 3 40,819 and 122,457, with no remainder.
Since 122,457 cannot be divided by just 1 and 122,457, it is not a prime number.