Q: Is 77,400 a Composite Number?

Why is 77,400 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 77,400 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 43 45 50 60 72 75 86 90 100 120 129 150 172 180 200 215 225 258 300 344 360 387 430 450 516 600 645 774 860 900 1,032 1,075 1,290 1,548 1,720 1,800 1,935 2,150 2,580 3,096 3,225 3,870 4,300 5,160 6,450 7,740 8,600 9,675 12,900 15,480 19,350 25,800 38,700 and 77,400, with no remainder.

Since 77,400 cannot be divided by just 1 and 77,400, 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).