Q: Is 149,991 a Prime Number?
A: No, 149,991 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 149991 can be evenly divided by 1 3 17 51 173 289 519 867 2,941 8,823 49,997 and 149,991, with no remainder.
Since 149,991 cannot be divided by just 1 and 149,991, it is not a prime number.