Q: Is 279,955 a Prime Number?
A: No, 279,955 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 279955 can be evenly divided by 1 5 13 59 65 73 295 365 767 949 3,835 4,307 4,745 21,535 55,991 and 279,955, with no remainder.
Since 279,955 cannot be divided by just 1 and 279,955, it is not a prime number.