Q: Is 2,121,263 a Prime Number?
A: No, 2,121,263 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 2121263 can be evenly divided by 1 29 193 379 5,597 10,991 73,147 and 2,121,263, with no remainder.
Since 2,121,263 cannot be divided by just 1 and 2,121,263, it is not a prime number.