Q: Is 1,242,455 a Prime Number?
A: No, 1,242,455 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 1242455 can be evenly divided by 1 5 191 955 1,301 6,505 248,491 and 1,242,455, with no remainder.
Since 1,242,455 cannot be divided by just 1 and 1,242,455, it is not a prime number.