Q: Is 2,207,421 a Prime Number?
A: No, 2,207,421 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 2207421 can be evenly divided by 1 3 9 245,269 735,807 and 2,207,421, with no remainder.
Since 2,207,421 cannot be divided by just 1 and 2,207,421, it is not a prime number.