Q: Is 671,572 a Prime Number?
A: No, 671,572 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 671572 can be evenly divided by 1 2 4 11 22 44 15,263 30,526 61,052 167,893 335,786 and 671,572, with no remainder.
Since 671,572 cannot be divided by just 1 and 671,572, it is not a prime number.