Q: Is 501,123 a Prime Number?
A: No, 501,123 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 501123 can be evenly divided by 1 3 7 21 49 147 343 487 1,029 1,461 3,409 10,227 23,863 71,589 167,041 and 501,123, with no remainder.
Since 501,123 cannot be divided by just 1 and 501,123, it is not a prime number.