Q: Is 361,440 a Composite Number?

Why is 361,440 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 361,440 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 251 288 360 480 502 720 753 1,004 1,255 1,440 1,506 2,008 2,259 2,510 3,012 3,765 4,016 4,518 5,020 6,024 7,530 8,032 9,036 10,040 11,295 12,048 15,060 18,072 20,080 22,590 24,096 30,120 36,144 40,160 45,180 60,240 72,288 90,360 120,480 180,720 and 361,440, with no remainder.

Since 361,440 cannot be divided by just 1 and 361,440, 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).