Q: Is 636,004 a Prime Number?
A: No, 636,004 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 636004 can be evenly divided by 1 2 4 17 34 47 68 94 188 199 398 796 799 1,598 3,196 3,383 6,766 9,353 13,532 18,706 37,412 159,001 318,002 and 636,004, with no remainder.
Since 636,004 cannot be divided by just 1 and 636,004, it is not a prime number.