Q: Is 4,243,642 a Prime Number?
A: No, 4,243,642 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 4243642 can be evenly divided by 1 2 13 17 26 34 221 442 9,601 19,202 124,813 163,217 249,626 326,434 2,121,821 and 4,243,642, with no remainder.
Since 4,243,642 cannot be divided by just 1 and 4,243,642, it is not a prime number.