Q: Is 671,372 a Prime Number?
A: No, 671,372 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 671372 can be evenly divided by 1 2 4 13 26 52 12,911 25,822 51,644 167,843 335,686 and 671,372, with no remainder.
Since 671,372 cannot be divided by just 1 and 671,372, it is not a prime number.