Q: Is 165,807 a Prime Number?
A: No, 165,807 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 165807 can be evenly divided by 1 3 9 23 27 69 81 89 207 267 621 801 1,863 2,047 2,403 6,141 7,209 18,423 55,269 and 165,807, with no remainder.
Since 165,807 cannot be divided by just 1 and 165,807, it is not a prime number.