Q: Is 31,980 a Prime Number?
A: No, 31,980 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 31980 can be evenly divided by 1 2 3 4 5 6 10 12 13 15 20 26 30 39 41 52 60 65 78 82 123 130 156 164 195 205 246 260 390 410 492 533 615 780 820 1,066 1,230 1,599 2,132 2,460 2,665 3,198 5,330 6,396 7,995 10,660 15,990 and 31,980, with no remainder.
Since 31,980 cannot be divided by just 1 and 31,980, it is not a prime number.