Q: Is 331,250 a Prime Number?
A: No, 331,250 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 331250 can be evenly divided by 1 2 5 10 25 50 53 106 125 250 265 530 625 1,250 1,325 2,650 3,125 6,250 6,625 13,250 33,125 66,250 165,625 and 331,250, with no remainder.
Since 331,250 cannot be divided by just 1 and 331,250, it is not a prime number.