Q: Is 7,842 a Prime Number?
A: No, 7,842 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 7842 can be evenly divided by 1 2 3 6 1,307 2,614 3,921 and 7,842, with no remainder.
Since 7,842 cannot be divided by just 1 and 7,842, it is not a prime number.