Q: Is 268,421 a Prime Number?
A: No, 268,421 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 268421 can be evenly divided by 1 73 3,677 and 268,421, with no remainder.
Since 268,421 cannot be divided by just 1 and 268,421, it is not a prime number.