Q: Is 385,665 a Prime Number?
A: No, 385,665 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 385665 can be evenly divided by 1 3 5 7 15 21 35 105 3,673 11,019 18,365 25,711 55,095 77,133 128,555 and 385,665, with no remainder.
Since 385,665 cannot be divided by just 1 and 385,665, it is not a prime number.