Q: Is 531,670 a Prime Number?
A: No, 531,670 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 531670 can be evenly divided by 1 2 5 10 79 158 395 673 790 1,346 3,365 6,730 53,167 106,334 265,835 and 531,670, with no remainder.
Since 531,670 cannot be divided by just 1 and 531,670, it is not a prime number.