Q: Is 26,125,155 a Composite Number?

Why is 26,125,155 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 26,125,155 can be evenly divided by 1 3 5 7 9 15 21 35 45 63 105 197 315 421 591 985 1,263 1,379 1,773 2,105 2,947 2,955 3,789 4,137 6,315 6,895 8,841 8,865 12,411 14,735 18,945 20,685 26,523 44,205 62,055 82,937 132,615 248,811 414,685 580,559 746,433 1,244,055 1,741,677 2,902,795 3,732,165 5,225,031 8,708,385 and 26,125,155, with no remainder.

Since 26,125,155 cannot be divided by just 1 and 26,125,155, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).