Q: Is 278,160 a Prime Number?
A: No, 278,160 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 278160 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 60 61 76 80 95 114 120 122 152 183 190 228 240 244 285 304 305 366 380 456 488 570 610 732 760 912 915 976 1,140 1,159 1,220 1,464 1,520 1,830 2,280 2,318 2,440 2,928 3,477 3,660 4,560 4,636 4,880 5,795 6,954 7,320 9,272 11,590 13,908 14,640 17,385 18,544 23,180 27,816 34,770 46,360 55,632 69,540 92,720 139,080 and 278,160, with no remainder.
Since 278,160 cannot be divided by just 1 and 278,160, it is not a prime number.