Q: Is 2,021,220 a Composite Number?

Why is 2,021,220 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 2,021,220 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 19 20 27 30 36 38 45 54 57 60 76 90 95 108 114 135 171 180 190 197 228 270 285 342 380 394 513 540 570 591 684 788 855 985 1,026 1,140 1,182 1,710 1,773 1,970 2,052 2,364 2,565 2,955 3,420 3,546 3,743 3,940 5,130 5,319 5,910 7,092 7,486 8,865 10,260 10,638 11,229 11,820 14,972 17,730 18,715 21,276 22,458 26,595 33,687 35,460 37,430 44,916 53,190 56,145 67,374 74,860 101,061 106,380 112,290 134,748 168,435 202,122 224,580 336,870 404,244 505,305 673,740 1,010,610 and 2,021,220, with no remainder.

Since 2,021,220 cannot be divided by just 1 and 2,021,220, 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).