Q: Is 637,279 a Prime Number?
A: No, 637,279 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 637279 can be evenly divided by 1 17 19 323 1,973 33,541 37,487 and 637,279, with no remainder.
Since 637,279 cannot be divided by just 1 and 637,279, it is not a prime number.