Q: Is 481,572 a Prime Number?
A: No, 481,572 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 481572 can be evenly divided by 1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 49 52 54 63 78 84 91 98 108 117 126 147 156 182 189 196 234 252 273 294 343 351 364 378 441 468 546 588 637 686 702 756 819 882 1,029 1,092 1,274 1,323 1,372 1,404 1,638 1,764 1,911 2,058 2,457 2,548 2,646 3,087 3,276 3,822 4,116 4,459 4,914 5,292 5,733 6,174 7,644 8,918 9,261 9,828 11,466 12,348 13,377 17,199 17,836 18,522 22,932 26,754 34,398 37,044 40,131 53,508 68,796 80,262 120,393 160,524 240,786 and 481,572, with no remainder.
Since 481,572 cannot be divided by just 1 and 481,572, it is not a prime number.