Q: Is 7,173,840 a Composite Number?

Why is 7,173,840 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 7,173,840 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 71 80 120 142 213 240 284 355 421 426 568 710 842 852 1,065 1,136 1,263 1,420 1,684 1,704 2,105 2,130 2,526 2,840 3,368 3,408 4,210 4,260 5,052 5,680 6,315 6,736 8,420 8,520 10,104 12,630 16,840 17,040 20,208 25,260 29,891 33,680 50,520 59,782 89,673 101,040 119,564 149,455 179,346 239,128 298,910 358,692 448,365 478,256 597,820 717,384 896,730 1,195,640 1,434,768 1,793,460 2,391,280 3,586,920 and 7,173,840, with no remainder.

Since 7,173,840 cannot be divided by just 1 and 7,173,840, 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).