Q: Is 4,142,321 a Prime Number?
A: No, 4,142,321 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 4142321 can be evenly divided by 1 53 78,157 and 4,142,321, with no remainder.
Since 4,142,321 cannot be divided by just 1 and 4,142,321, it is not a prime number.