Q: Is 991,061 a Prime Number?
A: No, 991,061 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 991061 can be evenly divided by 1 373 2,657 and 991,061, with no remainder.
Since 991,061 cannot be divided by just 1 and 991,061, it is not a prime number.