Q: Is 338,691 a Prime Number?
A: No, 338,691 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 338691 can be evenly divided by 1 3 17 29 51 87 229 493 687 1,479 3,893 6,641 11,679 19,923 112,897 and 338,691, with no remainder.
Since 338,691 cannot be divided by just 1 and 338,691, it is not a prime number.