Q: Is 7,200,321 a Prime Number?
A: No, 7,200,321 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 7200321 can be evenly divided by 1 3 2,400,107 and 7,200,321, with no remainder.
Since 7,200,321 cannot be divided by just 1 and 7,200,321, it is not a prime number.