Q: Is 209,680 a Prime Number?
A: No, 209,680 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 209680 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 2,621 5,242 10,484 13,105 20,968 26,210 41,936 52,420 104,840 and 209,680, with no remainder.
Since 209,680 cannot be divided by just 1 and 209,680, it is not a prime number.