Q: Is 7,971,320 a Composite Number?

Why is 7,971,320 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 7,971,320 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 83 98 140 166 196 245 280 332 343 392 415 490 581 664 686 830 980 1,162 1,372 1,660 1,715 1,960 2,324 2,401 2,744 2,905 3,320 3,430 4,067 4,648 4,802 5,810 6,860 8,134 9,604 11,620 12,005 13,720 16,268 19,208 20,335 23,240 24,010 28,469 32,536 40,670 48,020 56,938 81,340 96,040 113,876 142,345 162,680 199,283 227,752 284,690 398,566 569,380 797,132 996,415 1,138,760 1,594,264 1,992,830 3,985,660 and 7,971,320, with no remainder.

Since 7,971,320 cannot be divided by just 1 and 7,971,320, 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).