Q: Is 1,778,200 a Composite Number?

Why is 1,778,200 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 1,778,200 can be evenly divided by 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 136 170 200 340 425 523 680 850 1,046 1,700 2,092 2,615 3,400 4,184 5,230 8,891 10,460 13,075 17,782 20,920 26,150 35,564 44,455 52,300 71,128 88,910 104,600 177,820 222,275 355,640 444,550 889,100 and 1,778,200, with no remainder.

Since 1,778,200 cannot be divided by just 1 and 1,778,200, 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).