Q: Is 1,365,440 a Composite Number?

Why is 1,365,440 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 1,365,440 can be evenly divided by 1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 136 160 170 251 272 320 340 502 544 680 1,004 1,088 1,255 1,360 2,008 2,510 2,720 4,016 4,267 5,020 5,440 8,032 8,534 10,040 16,064 17,068 20,080 21,335 34,136 40,160 42,670 68,272 80,320 85,340 136,544 170,680 273,088 341,360 682,720 and 1,365,440, with no remainder.

Since 1,365,440 cannot be divided by just 1 and 1,365,440, 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).