Q: Is 27,840 a Prime Number?
A: No, 27,840 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 27840 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 40 48 58 60 64 80 87 96 116 120 145 160 174 192 232 240 290 320 348 435 464 480 580 696 870 928 960 1,160 1,392 1,740 1,856 2,320 2,784 3,480 4,640 5,568 6,960 9,280 13,920 and 27,840, with no remainder.
Since 27,840 cannot be divided by just 1 and 27,840, it is not a prime number.