Q: Is 1,231,420 a Prime Number?
A: No, 1,231,420 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 1231420 can be evenly divided by 1 2 4 5 10 20 23 46 92 115 230 460 2,677 5,354 10,708 13,385 26,770 53,540 61,571 123,142 246,284 307,855 615,710 and 1,231,420, with no remainder.
Since 1,231,420 cannot be divided by just 1 and 1,231,420, it is not a prime number.