Q: Is 1,002,638 a Prime Number?
A: No, 1,002,638 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 1002638 can be evenly divided by 1 2 7 13 14 26 49 91 98 182 637 787 1,274 1,574 5,509 10,231 11,018 20,462 38,563 71,617 77,126 143,234 501,319 and 1,002,638, with no remainder.
Since 1,002,638 cannot be divided by just 1 and 1,002,638, it is not a prime number.