Q: Is 209,661 a Prime Number?
A: No, 209,661 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 209661 can be evenly divided by 1 3 17 51 4,111 12,333 69,887 and 209,661, with no remainder.
Since 209,661 cannot be divided by just 1 and 209,661, it is not a prime number.