Q: Is 279,542 a Prime Number?
A: No, 279,542 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 279542 can be evenly divided by 1 2 23 46 59 103 118 206 1,357 2,369 2,714 4,738 6,077 12,154 139,771 and 279,542, with no remainder.
Since 279,542 cannot be divided by just 1 and 279,542, it is not a prime number.