Q: Is 155,985 a Prime Number?
A: No, 155,985 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 155985 can be evenly divided by 1 3 5 15 10,399 31,197 51,995 and 155,985, with no remainder.
Since 155,985 cannot be divided by just 1 and 155,985, it is not a prime number.