Q: Is 8,425,221 a Prime Number?
A: No, 8,425,221 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 8425221 can be evenly divided by 1 3 7 21 401,201 1,203,603 2,808,407 and 8,425,221, with no remainder.
Since 8,425,221 cannot be divided by just 1 and 8,425,221, it is not a prime number.