Q: Is 520,608 a Prime Number?
A: No, 520,608 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 520608 can be evenly divided by 1 2 3 4 6 8 11 12 16 17 22 24 29 32 33 34 44 48 51 58 66 68 87 88 96 102 116 132 136 174 176 187 204 232 264 272 319 348 352 374 408 464 493 528 544 561 638 696 748 816 928 957 986 1,056 1,122 1,276 1,392 1,479 1,496 1,632 1,914 1,972 2,244 2,552 2,784 2,958 2,992 3,828 3,944 4,488 5,104 5,423 5,916 5,984 7,656 7,888 8,976 10,208 10,846 11,832 15,312 15,776 16,269 17,952 21,692 23,664 30,624 32,538 43,384 47,328 65,076 86,768 130,152 173,536 260,304 and 520,608, with no remainder.
Since 520,608 cannot be divided by just 1 and 520,608, it is not a prime number.