Q: Is 691,918 a Prime Number?
A: No, 691,918 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 691918 can be evenly divided by 1 2 347 694 997 1,994 345,959 and 691,918, with no remainder.
Since 691,918 cannot be divided by just 1 and 691,918, it is not a prime number.