Q: Is 1,218,270 a Prime Number?
A: No, 1,218,270 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 1218270 can be evenly divided by 1 2 3 5 6 10 15 30 40,609 81,218 121,827 203,045 243,654 406,090 609,135 and 1,218,270, with no remainder.
Since 1,218,270 cannot be divided by just 1 and 1,218,270, it is not a prime number.