Q: Is 520,128 a Prime Number?
A: No, 520,128 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 520128 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 43 48 54 56 63 64 72 84 86 96 108 112 126 129 144 168 172 189 192 216 224 252 258 288 301 336 344 378 387 432 448 504 516 576 602 672 688 756 774 864 903 1,008 1,032 1,161 1,204 1,344 1,376 1,512 1,548 1,728 1,806 2,016 2,064 2,322 2,408 2,709 2,752 3,024 3,096 3,612 4,032 4,128 4,644 4,816 5,418 6,048 6,192 7,224 8,127 8,256 9,288 9,632 10,836 12,096 12,384 14,448 16,254 18,576 19,264 21,672 24,768 28,896 32,508 37,152 43,344 57,792 65,016 74,304 86,688 130,032 173,376 260,064 and 520,128, with no remainder.
Since 520,128 cannot be divided by just 1 and 520,128, it is not a prime number.