Q: Is 2,121,125 a Prime Number?
A: No, 2,121,125 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 2121125 can be evenly divided by 1 5 25 71 125 239 355 1,195 1,775 5,975 8,875 16,969 29,875 84,845 424,225 and 2,121,125, with no remainder.
Since 2,121,125 cannot be divided by just 1 and 2,121,125, it is not a prime number.