Q: Is 1,580,003 a Composite Number?
A: No, 1,580,003 is not a composite number; it is a prime number.
The number 1,580,003 can be evenly divided by 1 and 1,580,003, with no remainder.
Since 1,580,003 can be divided by just 1 and 1,580,003, it is not a composite number.