Q: Is 78,426 a Prime Number?
A: No, 78,426 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 78426 can be evenly divided by 1 2 3 6 9 18 4,357 8,714 13,071 26,142 39,213 and 78,426, with no remainder.
Since 78,426 cannot be divided by just 1 and 78,426, it is not a prime number.