Q: Is 2,121,435 a Prime Number?
A: No, 2,121,435 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 2121435 can be evenly divided by 1 3 5 9 15 45 47,143 141,429 235,715 424,287 707,145 and 2,121,435, with no remainder.
Since 2,121,435 cannot be divided by just 1 and 2,121,435, it is not a prime number.