Q: Is 715,428 a Prime Number?
A: No, 715,428 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 715428 can be evenly divided by 1 2 3 4 6 7 9 12 14 17 18 21 28 34 36 42 51 63 68 84 102 119 126 153 167 204 238 252 306 334 357 476 501 612 668 714 1,002 1,071 1,169 1,428 1,503 2,004 2,142 2,338 2,839 3,006 3,507 4,284 4,676 5,678 6,012 7,014 8,517 10,521 11,356 14,028 17,034 19,873 21,042 25,551 34,068 39,746 42,084 51,102 59,619 79,492 102,204 119,238 178,857 238,476 357,714 and 715,428, with no remainder.
Since 715,428 cannot be divided by just 1 and 715,428, it is not a prime number.