Q: Is 165,878 a Prime Number?
A: No, 165,878 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 165878 can be evenly divided by 1 2 82,939 and 165,878, with no remainder.
Since 165,878 cannot be divided by just 1 and 165,878, it is not a prime number.