Q: Is 243,021,020 a Composite Number?

Why is 243,021,020 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 243,021,020 can be evenly divided by 1 2 4 5 10 11 19 20 22 38 44 47 55 76 94 95 110 188 190 209 220 235 380 418 470 517 836 893 940 1,034 1,045 1,237 1,786 2,068 2,090 2,474 2,585 3,572 4,180 4,465 4,948 5,170 6,185 8,930 9,823 10,340 12,370 13,607 17,860 19,646 23,503 24,740 27,214 39,292 47,006 49,115 54,428 58,139 68,035 94,012 98,230 116,278 117,515 136,070 196,460 232,556 235,030 258,533 272,140 290,695 470,060 517,066 581,390 639,529 1,034,132 1,104,641 1,162,780 1,279,058 1,292,665 2,209,282 2,558,116 2,585,330 3,197,645 4,418,564 5,170,660 5,523,205 6,395,290 11,046,410 12,151,051 12,790,580 22,092,820 24,302,102 48,604,204 60,755,255 121,510,510 and 243,021,020, with no remainder.

Since 243,021,020 cannot be divided by just 1 and 243,021,020, 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).