Q: Is 636,504 a Prime Number?
A: No, 636,504 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 636504 can be evenly divided by 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 2,411 4,822 7,233 9,644 14,466 19,288 26,521 28,932 53,042 57,864 79,563 106,084 159,126 212,168 318,252 and 636,504, with no remainder.
Since 636,504 cannot be divided by just 1 and 636,504, it is not a prime number.