Q: Is 31,790 a Prime Number?
A: No, 31,790 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 31790 can be evenly divided by 1 2 5 10 11 17 22 34 55 85 110 170 187 289 374 578 935 1,445 1,870 2,890 3,179 6,358 15,895 and 31,790, with no remainder.
Since 31,790 cannot be divided by just 1 and 31,790, it is not a prime number.