Q: Is 1,279,818 a Prime Number?
A: No, 1,279,818 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 1279818 can be evenly divided by 1 2 3 6 9 18 97 194 291 582 733 873 1,466 1,746 2,199 4,398 6,597 13,194 71,101 142,202 213,303 426,606 639,909 and 1,279,818, with no remainder.
Since 1,279,818 cannot be divided by just 1 and 1,279,818, it is not a prime number.