Q: Is 155,979 a Prime Number?
A: No, 155,979 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 155979 can be evenly divided by 1 3 9 27 53 109 159 327 477 981 1,431 2,943 5,777 17,331 51,993 and 155,979, with no remainder.
Since 155,979 cannot be divided by just 1 and 155,979, it is not a prime number.