Q: Is 642,498 a Prime Number?
A: No, 642,498 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 642498 can be evenly divided by 1 2 3 6 17 34 51 102 6,299 12,598 18,897 37,794 107,083 214,166 321,249 and 642,498, with no remainder.
Since 642,498 cannot be divided by just 1 and 642,498, it is not a prime number.