Q: Is 520,144 a Prime Number?
A: No, 520,144 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 520144 can be evenly divided by 1 2 4 8 16 19 29 38 58 59 76 116 118 152 232 236 304 464 472 551 944 1,102 1,121 1,711 2,204 2,242 3,422 4,408 4,484 6,844 8,816 8,968 13,688 17,936 27,376 32,509 65,018 130,036 260,072 and 520,144, with no remainder.
Since 520,144 cannot be divided by just 1 and 520,144, it is not a prime number.