Q: Is 635,345 a Prime Number?
A: No, 635,345 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 635345 can be evenly divided by 1 5 31 155 4,099 20,495 127,069 and 635,345, with no remainder.
Since 635,345 cannot be divided by just 1 and 635,345, it is not a prime number.