Q: Is 161,536 a Prime Number?
A: No, 161,536 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 161536 can be evenly divided by 1 2 4 8 16 32 64 128 256 631 1,262 2,524 5,048 10,096 20,192 40,384 80,768 and 161,536, with no remainder.
Since 161,536 cannot be divided by just 1 and 161,536, it is not a prime number.