Q: Is 1,242,342 a Prime Number?
A: No, 1,242,342 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 1242342 can be evenly divided by 1 2 3 6 9 18 69,019 138,038 207,057 414,114 621,171 and 1,242,342, with no remainder.
Since 1,242,342 cannot be divided by just 1 and 1,242,342, it is not a prime number.