Q: Is 32,421,440 a Composite Number?

Why is 32,421,440 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 32,421,440 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 71 80 142 160 284 320 355 568 710 1,136 1,420 1,427 2,272 2,840 2,854 4,544 5,680 5,708 7,135 11,360 11,416 14,270 22,720 22,832 28,540 45,664 57,080 91,328 101,317 114,160 202,634 228,320 405,268 456,640 506,585 810,536 1,013,170 1,621,072 2,026,340 3,242,144 4,052,680 6,484,288 8,105,360 16,210,720 and 32,421,440, with no remainder.

Since 32,421,440 cannot be divided by just 1 and 32,421,440, 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).