Q: Is 6,840 a Prime Number?
A: No, 6,840 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 6840 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 19 20 24 30 36 38 40 45 57 60 72 76 90 95 114 120 152 171 180 190 228 285 342 360 380 456 570 684 760 855 1,140 1,368 1,710 2,280 3,420 and 6,840, with no remainder.
Since 6,840 cannot be divided by just 1 and 6,840, it is not a prime number.