Q: Is 506,645 a Prime Number?
A: No, 506,645 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 506645 can be evenly divided by 1 5 107 535 947 4,735 101,329 and 506,645, with no remainder.
Since 506,645 cannot be divided by just 1 and 506,645, it is not a prime number.