Q: Is 279,760 a Prime Number?
A: No, 279,760 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 279760 can be evenly divided by 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 269 520 538 1,040 1,076 1,345 2,152 2,690 3,497 4,304 5,380 6,994 10,760 13,988 17,485 21,520 27,976 34,970 55,952 69,940 139,880 and 279,760, with no remainder.
Since 279,760 cannot be divided by just 1 and 279,760, it is not a prime number.