Q: Is 627,620 a Prime Number?
A: No, 627,620 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 627620 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 4,483 8,966 17,932 22,415 31,381 44,830 62,762 89,660 125,524 156,905 313,810 and 627,620, with no remainder.
Since 627,620 cannot be divided by just 1 and 627,620, it is not a prime number.