Q: Is 506,145 a Prime Number?
A: No, 506,145 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 506145 can be evenly divided by 1 3 5 15 41 123 205 615 823 2,469 4,115 12,345 33,743 101,229 168,715 and 506,145, with no remainder.
Since 506,145 cannot be divided by just 1 and 506,145, it is not a prime number.