Q: Is 626,472 a Prime Number?
A: No, 626,472 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 626472 can be evenly divided by 1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 28 33 36 42 44 56 63 66 72 77 84 88 99 113 126 132 154 168 198 226 231 252 264 308 339 396 452 462 504 616 678 693 791 792 904 924 1,017 1,243 1,356 1,386 1,582 1,848 2,034 2,373 2,486 2,712 2,772 3,164 3,729 4,068 4,746 4,972 5,544 6,328 7,119 7,458 8,136 8,701 9,492 9,944 11,187 14,238 14,916 17,402 18,984 22,374 26,103 28,476 29,832 34,804 44,748 52,206 56,952 69,608 78,309 89,496 104,412 156,618 208,824 313,236 and 626,472, with no remainder.
Since 626,472 cannot be divided by just 1 and 626,472, it is not a prime number.