Q: Is 388,642 a Prime Number?
A: No, 388,642 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 388642 can be evenly divided by 1 2 317 613 634 1,226 194,321 and 388,642, with no remainder.
Since 388,642 cannot be divided by just 1 and 388,642, it is not a prime number.