Q: Is 520,884 a Prime Number?
A: No, 520,884 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 520884 can be evenly divided by 1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 52 53 54 63 78 84 91 106 108 117 126 156 159 182 189 212 234 252 273 318 351 364 371 378 468 477 546 636 689 702 742 756 819 954 1,092 1,113 1,378 1,404 1,431 1,484 1,638 1,908 2,067 2,226 2,457 2,756 2,862 3,276 3,339 4,134 4,452 4,823 4,914 5,724 6,201 6,678 8,268 9,646 9,828 10,017 12,402 13,356 14,469 18,603 19,292 20,034 24,804 28,938 37,206 40,068 43,407 57,876 74,412 86,814 130,221 173,628 260,442 and 520,884, with no remainder.
Since 520,884 cannot be divided by just 1 and 520,884, it is not a prime number.