Q: Is 538,272 a Prime Number?
A: No, 538,272 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 538272 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 84 89 96 108 112 126 144 168 178 189 216 224 252 267 288 336 356 378 432 504 534 623 672 712 756 801 864 1,008 1,068 1,246 1,424 1,512 1,602 1,869 2,016 2,136 2,403 2,492 2,848 3,024 3,204 3,738 4,272 4,806 4,984 5,607 6,048 6,408 7,476 8,544 9,612 9,968 11,214 12,816 14,952 16,821 19,224 19,936 22,428 25,632 29,904 33,642 38,448 44,856 59,808 67,284 76,896 89,712 134,568 179,424 269,136 and 538,272, with no remainder.
Since 538,272 cannot be divided by just 1 and 538,272, it is not a prime number.