Q: Is 209,478 a Prime Number?
A: No, 209,478 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 209478 can be evenly divided by 1 2 3 6 34,913 69,826 104,739 and 209,478, with no remainder.
Since 209,478 cannot be divided by just 1 and 209,478, it is not a prime number.