Q: Is 1,423,242 a Prime Number?
A: No, 1,423,242 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 1423242 can be evenly divided by 1 2 3 6 9 18 37 74 111 222 333 666 2,137 4,274 6,411 12,822 19,233 38,466 79,069 158,138 237,207 474,414 711,621 and 1,423,242, with no remainder.
Since 1,423,242 cannot be divided by just 1 and 1,423,242, it is not a prime number.