Q: Is 512,145 a Prime Number?
A: No, 512,145 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 512145 can be evenly divided by 1 3 5 9 15 19 45 57 95 171 285 599 855 1,797 2,995 5,391 8,985 11,381 26,955 34,143 56,905 102,429 170,715 and 512,145, with no remainder.
Since 512,145 cannot be divided by just 1 and 512,145, it is not a prime number.