Q: Is 698,421 a Prime Number?
A: No, 698,421 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 698421 can be evenly divided by 1 3 19 57 12,253 36,759 232,807 and 698,421, with no remainder.
Since 698,421 cannot be divided by just 1 and 698,421, it is not a prime number.