Q: Is 439,628 a Prime Number?
A: No, 439,628 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 439628 can be evenly divided by 1 2 4 7 14 28 49 98 196 2,243 4,486 8,972 15,701 31,402 62,804 109,907 219,814 and 439,628, with no remainder.
Since 439,628 cannot be divided by just 1 and 439,628, it is not a prime number.