Q: Is 636,724 a Prime Number?
A: No, 636,724 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 636724 can be evenly divided by 1 2 4 11 22 29 44 58 116 319 499 638 998 1,276 1,996 5,489 10,978 14,471 21,956 28,942 57,884 159,181 318,362 and 636,724, with no remainder.
Since 636,724 cannot be divided by just 1 and 636,724, it is not a prime number.