Q: Is 531,250 a Prime Number?
A: No, 531,250 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 531250 can be evenly divided by 1 2 5 10 17 25 34 50 85 125 170 250 425 625 850 1,250 2,125 3,125 4,250 6,250 10,625 15,625 21,250 31,250 53,125 106,250 265,625 and 531,250, with no remainder.
Since 531,250 cannot be divided by just 1 and 531,250, it is not a prime number.