Q: Is 209,536 a Prime Number?
A: No, 209,536 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 209536 can be evenly divided by 1 2 4 8 16 32 64 128 1,637 3,274 6,548 13,096 26,192 52,384 104,768 and 209,536, with no remainder.
Since 209,536 cannot be divided by just 1 and 209,536, it is not a prime number.