Q: Is 279,965 a Prime Number?
A: No, 279,965 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 279965 can be evenly divided by 1 5 7 19 35 95 133 421 665 2,105 2,947 7,999 14,735 39,995 55,993 and 279,965, with no remainder.
Since 279,965 cannot be divided by just 1 and 279,965, it is not a prime number.