Q: Is 40,001,220 a Composite Number?

Why is 40,001,220 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 40,001,220 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 53 60 63 70 84 90 105 106 126 140 159 180 210 212 252 265 315 318 371 420 477 530 599 630 636 742 795 954 1,060 1,113 1,198 1,260 1,484 1,590 1,797 1,855 1,908 2,226 2,385 2,396 2,995 3,180 3,339 3,594 3,710 4,193 4,452 4,770 5,391 5,565 5,990 6,678 7,188 7,420 8,386 8,985 9,540 10,782 11,130 11,980 12,579 13,356 16,695 16,772 17,970 20,965 21,564 22,260 25,158 26,955 31,747 33,390 35,940 37,737 41,930 50,316 53,910 62,895 63,494 66,780 75,474 83,860 95,241 107,820 125,790 126,988 150,948 158,735 188,685 190,482 222,229 251,580 285,723 317,470 377,370 380,964 444,458 476,205 571,446 634,940 666,687 754,740 888,916 952,410 1,111,145 1,142,892 1,333,374 1,428,615 1,904,820 2,000,061 2,222,290 2,666,748 2,857,230 3,333,435 4,000,122 4,444,580 5,714,460 6,666,870 8,000,244 10,000,305 13,333,740 20,000,610 and 40,001,220, with no remainder.

Since 40,001,220 cannot be divided by just 1 and 40,001,220, 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).