Q: Is 501,228 a Prime Number?
A: No, 501,228 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 501228 can be evenly divided by 1 2 3 4 6 7 9 12 13 14 17 18 21 26 27 28 34 36 39 42 51 52 54 63 68 78 81 84 91 102 108 117 119 126 153 156 162 182 189 204 221 234 238 252 273 306 324 351 357 364 378 442 459 468 476 546 567 612 663 702 714 756 819 884 918 1,053 1,071 1,092 1,134 1,326 1,377 1,404 1,428 1,547 1,638 1,836 1,989 2,106 2,142 2,268 2,457 2,652 2,754 3,094 3,213 3,276 3,978 4,212 4,284 4,641 4,914 5,508 5,967 6,188 6,426 7,371 7,956 9,282 9,639 9,828 11,934 12,852 13,923 14,742 17,901 18,564 19,278 23,868 27,846 29,484 35,802 38,556 41,769 55,692 71,604 83,538 125,307 167,076 250,614 and 501,228, with no remainder.
Since 501,228 cannot be divided by just 1 and 501,228, it is not a prime number.