Q: Is 1,131,507 a Prime Number?
A: No, 1,131,507 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 1131507 can be evenly divided by 1 3 9 13 19 39 57 117 171 247 509 741 1,527 2,223 4,581 6,617 9,671 19,851 29,013 59,553 87,039 125,723 377,169 and 1,131,507, with no remainder.
Since 1,131,507 cannot be divided by just 1 and 1,131,507, it is not a prime number.