Q: Is 279,480 a Prime Number?
A: No, 279,480 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 279480 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 51 60 68 85 102 120 136 137 170 204 255 274 340 408 411 510 548 680 685 822 1,020 1,096 1,370 1,644 2,040 2,055 2,329 2,740 3,288 4,110 4,658 5,480 6,987 8,220 9,316 11,645 13,974 16,440 18,632 23,290 27,948 34,935 46,580 55,896 69,870 93,160 139,740 and 279,480, with no remainder.
Since 279,480 cannot be divided by just 1 and 279,480, it is not a prime number.