Q: Is 165,641 a Prime Number?
A: No, 165,641 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 165641 can be evenly divided by 1 7 23,663 and 165,641, with no remainder.
Since 165,641 cannot be divided by just 1 and 165,641, it is not a prime number.