Q: Is 1,000,635 a Prime Number?
A: No, 1,000,635 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 1000635 can be evenly divided by 1 3 5 15 19 57 95 285 3,511 10,533 17,555 52,665 66,709 200,127 333,545 and 1,000,635, with no remainder.
Since 1,000,635 cannot be divided by just 1 and 1,000,635, it is not a prime number.