Q: Is 3,997,280 a Composite Number?

Why is 3,997,280 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 3,997,280 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 43 56 70 80 83 86 112 140 160 166 172 215 224 280 301 332 344 415 430 560 581 602 664 688 830 860 1,120 1,162 1,204 1,328 1,376 1,505 1,660 1,720 2,324 2,408 2,656 2,905 3,010 3,320 3,440 3,569 4,648 4,816 5,810 6,020 6,640 6,880 7,138 9,296 9,632 11,620 12,040 13,280 14,276 17,845 18,592 23,240 24,080 24,983 28,552 35,690 46,480 48,160 49,966 57,104 71,380 92,960 99,932 114,208 124,915 142,760 199,864 249,830 285,520 399,728 499,660 571,040 799,456 999,320 1,998,640 and 3,997,280, with no remainder.

Since 3,997,280 cannot be divided by just 1 and 3,997,280, 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).