Q: Is 31,140 a Prime Number?
A: No, 31,140 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 31140 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 173 180 346 519 692 865 1,038 1,557 1,730 2,076 2,595 3,114 3,460 5,190 6,228 7,785 10,380 15,570 and 31,140, with no remainder.
Since 31,140 cannot be divided by just 1 and 31,140, it is not a prime number.