Q: Is 1,421,270 a Prime Number?
A: No, 1,421,270 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 1421270 can be evenly divided by 1 2 5 10 311 457 622 914 1,555 2,285 3,110 4,570 142,127 284,254 710,635 and 1,421,270, with no remainder.
Since 1,421,270 cannot be divided by just 1 and 1,421,270, it is not a prime number.