Q: Is 520,149 a Prime Number?
A: No, 520,149 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 520149 can be evenly divided by 1 3 7 17 21 31 47 51 93 119 141 217 329 357 527 651 799 987 1,457 1,581 2,397 3,689 4,371 5,593 10,199 11,067 16,779 24,769 30,597 74,307 173,383 and 520,149, with no remainder.
Since 520,149 cannot be divided by just 1 and 520,149, it is not a prime number.