Q: Is 103,428 a Prime Number?
A: No, 103,428 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 103428 can be evenly divided by 1 2 3 4 6 9 12 13 17 18 26 34 36 39 51 52 68 78 102 117 153 156 169 204 221 234 306 338 442 468 507 612 663 676 884 1,014 1,326 1,521 1,989 2,028 2,652 2,873 3,042 3,978 5,746 6,084 7,956 8,619 11,492 17,238 25,857 34,476 51,714 and 103,428, with no remainder.
Since 103,428 cannot be divided by just 1 and 103,428, it is not a prime number.