Q: Is 20,045,100 a Composite Number?

Why is 20,045,100 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 20,045,100 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 109 150 218 300 327 436 545 613 654 1,090 1,226 1,308 1,635 1,839 2,180 2,452 2,725 3,065 3,270 3,678 5,450 6,130 6,540 7,356 8,175 9,195 10,900 12,260 15,325 16,350 18,390 30,650 32,700 36,780 45,975 61,300 66,817 91,950 133,634 183,900 200,451 267,268 334,085 400,902 668,170 801,804 1,002,255 1,336,340 1,670,425 2,004,510 3,340,850 4,009,020 5,011,275 6,681,700 10,022,550 and 20,045,100, with no remainder.

Since 20,045,100 cannot be divided by just 1 and 20,045,100, 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).