Q: Is 8,221,421 a Prime Number?
A: No, 8,221,421 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 8221421 can be evenly divided by 1 13 17 221 37,201 483,613 632,417 and 8,221,421, with no remainder.
Since 8,221,421 cannot be divided by just 1 and 8,221,421, it is not a prime number.