Q: Is 1,321,507 a Prime Number?
A: No, 1,321,507 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 1321507 can be evenly divided by 1 11 19 209 6,323 69,553 120,137 and 1,321,507, with no remainder.
Since 1,321,507 cannot be divided by just 1 and 1,321,507, it is not a prime number.