Q: Is 4,245,321 a Prime Number?
A: No, 4,245,321 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 4245321 can be evenly divided by 1 3 67 201 21,121 63,363 1,415,107 and 4,245,321, with no remainder.
Since 4,245,321 cannot be divided by just 1 and 4,245,321, it is not a prime number.