Q: Is 1,215,009 a Prime Number?
A: No, 1,215,009 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 1215009 can be evenly divided by 1 3 9 127 381 1,063 1,143 3,189 9,567 135,001 405,003 and 1,215,009, with no remainder.
Since 1,215,009 cannot be divided by just 1 and 1,215,009, it is not a prime number.