Q: Is 2,126,221 a Prime Number?
A: No, 2,126,221 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 2126221 can be evenly divided by 1 43 197 251 8,471 10,793 49,447 and 2,126,221, with no remainder.
Since 2,126,221 cannot be divided by just 1 and 2,126,221, it is not a prime number.