Q: Is 671,457 a Prime Number?
A: No, 671,457 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 671457 can be evenly divided by 1 3 41 53 103 123 159 309 2,173 4,223 5,459 6,519 12,669 16,377 223,819 and 671,457, with no remainder.
Since 671,457 cannot be divided by just 1 and 671,457, it is not a prime number.