Q: Is 517,942 a Prime Number?
A: No, 517,942 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 517942 can be evenly divided by 1 2 258,971 and 517,942, with no remainder.
Since 517,942 cannot be divided by just 1 and 517,942, it is not a prime number.