Q: Is 279,942 a Prime Number?
A: No, 279,942 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 279942 can be evenly divided by 1 2 3 6 13 26 37 39 74 78 97 111 194 222 291 481 582 962 1,261 1,443 2,522 2,886 3,589 3,783 7,178 7,566 10,767 21,534 46,657 93,314 139,971 and 279,942, with no remainder.
Since 279,942 cannot be divided by just 1 and 279,942, it is not a prime number.