Q: Is 1,242,224 a Prime Number?
A: No, 1,242,224 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 1242224 can be evenly divided by 1 2 4 8 16 17 34 68 136 272 4,567 9,134 18,268 36,536 73,072 77,639 155,278 310,556 621,112 and 1,242,224, with no remainder.
Since 1,242,224 cannot be divided by just 1 and 1,242,224, it is not a prime number.