Q: Is 278,940 a Prime Number?
A: No, 278,940 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 278940 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 4,649 9,298 13,947 18,596 23,245 27,894 46,490 55,788 69,735 92,980 139,470 and 278,940, with no remainder.
Since 278,940 cannot be divided by just 1 and 278,940, it is not a prime number.