Q: Is 2,106,580 a Composite Number?

Why is 2,106,580 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 2,106,580 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 41 70 82 140 164 205 287 367 410 574 734 820 1,148 1,435 1,468 1,835 2,569 2,870 3,670 5,138 5,740 7,340 10,276 12,845 15,047 25,690 30,094 51,380 60,188 75,235 105,329 150,470 210,658 300,940 421,316 526,645 1,053,290 and 2,106,580, with no remainder.

Since 2,106,580 cannot be divided by just 1 and 2,106,580, 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).