Q: Is 2,121,916 a Prime Number?
A: No, 2,121,916 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 2121916 can be evenly divided by 1 2 4 127 254 508 4,177 8,354 16,708 530,479 1,060,958 and 2,121,916, with no remainder.
Since 2,121,916 cannot be divided by just 1 and 2,121,916, it is not a prime number.