Q: Is 8,520,139 a Composite Number?
A: No, 8,520,139 is not a composite number; it is a prime number.
The number 8,520,139 can be evenly divided by 1 and 8,520,139, with no remainder.
Since 8,520,139 can be divided by just 1 and 8,520,139, it is not a composite number.