Q: Is 961,665 a Prime Number?
A: No, 961,665 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 961665 can be evenly divided by 1 3 5 15 61 183 305 915 1,051 3,153 5,255 15,765 64,111 192,333 320,555 and 961,665, with no remainder.
Since 961,665 cannot be divided by just 1 and 961,665, it is not a prime number.