Q: Is 31,380 a Prime Number?
A: No, 31,380 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 31380 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 523 1,046 1,569 2,092 2,615 3,138 5,230 6,276 7,845 10,460 15,690 and 31,380, with no remainder.
Since 31,380 cannot be divided by just 1 and 31,380, it is not a prime number.