Q: Is 642,349 a Prime Number?
A: No, 642,349 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 642349 can be evenly divided by 1 47 79 173 3,713 8,131 13,667 and 642,349, with no remainder.
Since 642,349 cannot be divided by just 1 and 642,349, it is not a prime number.