Q: Is 31,491,680 a Composite Number?

Why is 31,491,680 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 31,491,680 can be evenly divided by 1 2 4 5 8 10 11 16 20 22 29 32 40 44 55 58 80 88 110 116 145 160 176 220 232 290 319 352 440 464 580 617 638 880 928 1,160 1,234 1,276 1,595 1,760 2,320 2,468 2,552 3,085 3,190 4,640 4,936 5,104 6,170 6,380 6,787 9,872 10,208 12,340 12,760 13,574 17,893 19,744 24,680 25,520 27,148 33,935 35,786 49,360 51,040 54,296 67,870 71,572 89,465 98,720 108,592 135,740 143,144 178,930 196,823 217,184 271,480 286,288 357,860 393,646 542,960 572,576 715,720 787,292 984,115 1,085,920 1,431,440 1,574,584 1,968,230 2,862,880 3,149,168 3,936,460 6,298,336 7,872,920 15,745,840 and 31,491,680, with no remainder.

Since 31,491,680 cannot be divided by just 1 and 31,491,680, 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).