Q: Is 2,121,609 a Prime Number?
A: No, 2,121,609 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 2121609 can be evenly divided by 1 3 7 21 31 93 217 651 3,259 9,777 22,813 68,439 101,029 303,087 707,203 and 2,121,609, with no remainder.
Since 2,121,609 cannot be divided by just 1 and 2,121,609, it is not a prime number.