Q: Is 557,628 a Prime Number?
A: No, 557,628 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 557628 can be evenly divided by 1 2 3 4 6 12 31 62 93 124 186 372 1,499 2,998 4,497 5,996 8,994 17,988 46,469 92,938 139,407 185,876 278,814 and 557,628, with no remainder.
Since 557,628 cannot be divided by just 1 and 557,628, it is not a prime number.