Q: Is 40,002,400 a Composite Number?

Why is 40,002,400 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 40,002,400 can be evenly divided by 1 2 4 5 8 10 16 20 25 31 32 40 50 62 80 100 124 155 160 200 248 310 400 496 620 775 800 992 1,240 1,550 1,613 2,480 3,100 3,226 4,960 6,200 6,452 8,065 12,400 12,904 16,130 24,800 25,808 32,260 40,325 50,003 51,616 64,520 80,650 100,006 129,040 161,300 200,012 250,015 258,080 322,600 400,024 500,030 645,200 800,048 1,000,060 1,250,075 1,290,400 1,600,096 2,000,120 2,500,150 4,000,240 5,000,300 8,000,480 10,000,600 20,001,200 and 40,002,400, with no remainder.

Since 40,002,400 cannot be divided by just 1 and 40,002,400, 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).