Q: Is 667,961 a Prime Number?
A: No, 667,961 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 667961 can be evenly divided by 1 7 37 259 2,579 18,053 95,423 and 667,961, with no remainder.
Since 667,961 cannot be divided by just 1 and 667,961, it is not a prime number.