Q: Is 277,920 a Prime Number?
A: No, 277,920 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 277920 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 193 240 288 360 386 480 579 720 772 965 1,158 1,440 1,544 1,737 1,930 2,316 2,895 3,088 3,474 3,860 4,632 5,790 6,176 6,948 7,720 8,685 9,264 11,580 13,896 15,440 17,370 18,528 23,160 27,792 30,880 34,740 46,320 55,584 69,480 92,640 138,960 and 277,920, with no remainder.
Since 277,920 cannot be divided by just 1 and 277,920, it is not a prime number.