Q: Is 2,019,780 a Composite Number?

Why is 2,019,780 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 2,019,780 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 49 60 63 70 84 90 98 105 126 140 147 180 196 210 229 245 252 294 315 420 441 458 490 588 630 687 735 882 916 980 1,145 1,260 1,374 1,470 1,603 1,764 2,061 2,205 2,290 2,748 2,940 3,206 3,435 4,122 4,410 4,580 4,809 6,412 6,870 8,015 8,244 8,820 9,618 10,305 11,221 13,740 14,427 16,030 19,236 20,610 22,442 24,045 28,854 32,060 33,663 41,220 44,884 48,090 56,105 57,708 67,326 72,135 96,180 100,989 112,210 134,652 144,270 168,315 201,978 224,420 288,540 336,630 403,956 504,945 673,260 1,009,890 and 2,019,780, with no remainder.

Since 2,019,780 cannot be divided by just 1 and 2,019,780, 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).