Q: Is 1,242,189 a Prime Number?
A: No, 1,242,189 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 1242189 can be evenly divided by 1 3 9 13 27 39 117 351 3,539 10,617 31,851 46,007 95,553 138,021 414,063 and 1,242,189, with no remainder.
Since 1,242,189 cannot be divided by just 1 and 1,242,189, it is not a prime number.