Q: Is 627,128 a Prime Number?
A: No, 627,128 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 627128 can be evenly divided by 1 2 4 8 277 283 554 566 1,108 1,132 2,216 2,264 78,391 156,782 313,564 and 627,128, with no remainder.
Since 627,128 cannot be divided by just 1 and 627,128, it is not a prime number.