Q: Is 637,472 a Prime Number?
A: No, 637,472 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 637472 can be evenly divided by 1 2 4 8 11 16 22 32 44 88 176 352 1,811 3,622 7,244 14,488 19,921 28,976 39,842 57,952 79,684 159,368 318,736 and 637,472, with no remainder.
Since 637,472 cannot be divided by just 1 and 637,472, it is not a prime number.