Q: Is 208,421 a Prime Number?
A: No, 208,421 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 208421 can be evenly divided by 1 37 43 131 1,591 4,847 5,633 and 208,421, with no remainder.
Since 208,421 cannot be divided by just 1 and 208,421, it is not a prime number.