Q: Is 4,257,842 a Prime Number?
A: No, 4,257,842 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 4257842 can be evenly divided by 1 2 233 466 9,137 18,274 2,128,921 and 4,257,842, with no remainder.
Since 4,257,842 cannot be divided by just 1 and 4,257,842, it is not a prime number.