Q: Is 637,672 a Prime Number?
A: No, 637,672 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 637672 can be evenly divided by 1 2 4 7 8 14 28 56 59 118 193 236 386 413 472 772 826 1,351 1,544 1,652 2,702 3,304 5,404 10,808 11,387 22,774 45,548 79,709 91,096 159,418 318,836 and 637,672, with no remainder.
Since 637,672 cannot be divided by just 1 and 637,672, it is not a prime number.