Q: Is 239,428 a Prime Number?
A: No, 239,428 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 239428 can be evenly divided by 1 2 4 7 14 17 28 34 68 119 238 476 503 1,006 2,012 3,521 7,042 8,551 14,084 17,102 34,204 59,857 119,714 and 239,428, with no remainder.
Since 239,428 cannot be divided by just 1 and 239,428, it is not a prime number.