Q: Is 31,660 a Prime Number?
A: No, 31,660 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 31660 can be evenly divided by 1 2 4 5 10 20 1,583 3,166 6,332 7,915 15,830 and 31,660, with no remainder.
Since 31,660 cannot be divided by just 1 and 31,660, it is not a prime number.