Q: Is 627,636 a Prime Number?
A: No, 627,636 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 627636 can be evenly divided by 1 2 3 4 6 12 193 271 386 542 579 772 813 1,084 1,158 1,626 2,316 3,252 52,303 104,606 156,909 209,212 313,818 and 627,636, with no remainder.
Since 627,636 cannot be divided by just 1 and 627,636, it is not a prime number.