Q: Is 42,636 a Prime Number?
A: No, 42,636 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 42636 can be evenly divided by 1 2 3 4 6 11 12 17 19 22 33 34 38 44 51 57 66 68 76 102 114 132 187 204 209 228 323 374 418 561 627 646 748 836 969 1,122 1,254 1,292 1,938 2,244 2,508 3,553 3,876 7,106 10,659 14,212 21,318 and 42,636, with no remainder.
Since 42,636 cannot be divided by just 1 and 42,636, it is not a prime number.