Q: Is 1,221,430 a Prime Number?
A: No, 1,221,430 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 1221430 can be evenly divided by 1 2 5 7 10 14 35 70 17,449 34,898 87,245 122,143 174,490 244,286 610,715 and 1,221,430, with no remainder.
Since 1,221,430 cannot be divided by just 1 and 1,221,430, it is not a prime number.