Q: Is 91,440 a Composite Number?

Why is 91,440 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 91,440 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 127 144 180 240 254 360 381 508 635 720 762 1,016 1,143 1,270 1,524 1,905 2,032 2,286 2,540 3,048 3,810 4,572 5,080 5,715 6,096 7,620 9,144 10,160 11,430 15,240 18,288 22,860 30,480 45,720 and 91,440, with no remainder.

Since 91,440 cannot be divided by just 1 and 91,440, 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).