Q: Is 31,870 a Prime Number?
A: No, 31,870 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 31870 can be evenly divided by 1 2 5 10 3,187 6,374 15,935 and 31,870, with no remainder.
Since 31,870 cannot be divided by just 1 and 31,870, it is not a prime number.