Q: Is 1,021,020 a Composite Number?

Why is 1,021,020 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 1,021,020 can be evenly divided by 1 2 3 4 5 6 7 10 11 12 13 14 15 17 20 21 22 26 28 30 33 34 35 39 42 44 51 52 55 60 65 66 68 70 77 78 84 85 91 102 105 110 119 130 132 140 143 154 156 165 170 182 187 195 204 210 220 221 231 238 255 260 273 286 308 330 340 357 364 374 385 390 420 429 442 455 462 476 510 546 561 572 595 660 663 714 715 748 770 780 858 884 910 924 935 1,001 1,020 1,092 1,105 1,122 1,155 1,190 1,309 1,326 1,365 1,428 1,430 1,540 1,547 1,716 1,785 1,820 1,870 2,002 2,145 2,210 2,244 2,310 2,380 2,431 2,618 2,652 2,730 2,805 2,860 3,003 3,094 3,315 3,570 3,740 3,927 4,004 4,290 4,420 4,620 4,641 4,862 5,005 5,236 5,460 5,610 6,006 6,188 6,545 6,630 7,140 7,293 7,735 7,854 8,580 9,282 9,724 10,010 11,220 12,012 12,155 13,090 13,260 14,586 15,015 15,470 15,708 17,017 18,564 19,635 20,020 23,205 24,310 26,180 29,172 30,030 30,940 34,034 36,465 39,270 46,410 48,620 51,051 60,060 68,068 72,930 78,540 85,085 92,820 102,102 145,860 170,170 204,204 255,255 340,340 510,510 and 1,021,020, with no remainder.

Since 1,021,020 cannot be divided by just 1 and 1,021,020, 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).