Q: Is 517,642 a Prime Number?
A: No, 517,642 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 517642 can be evenly divided by 1 2 67 134 3,863 7,726 258,821 and 517,642, with no remainder.
Since 517,642 cannot be divided by just 1 and 517,642, it is not a prime number.