Q: Is 659,921 a Prime Number?
A: No, 659,921 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 659921 can be evenly divided by 1 43 103 149 4,429 6,407 15,347 and 659,921, with no remainder.
Since 659,921 cannot be divided by just 1 and 659,921, it is not a prime number.