Q: Is 243,777,800 a Composite Number?

Why is 243,777,800 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 243,777,800 can be evenly divided by 1 2 4 5 7 8 10 14 20 25 28 31 35 40 41 50 56 62 70 82 100 124 137 140 155 164 175 200 205 217 248 274 280 287 310 328 350 410 434 548 574 620 685 700 775 820 868 959 1,025 1,085 1,096 1,148 1,240 1,271 1,370 1,400 1,435 1,550 1,640 1,736 1,918 2,050 2,170 2,296 2,542 2,740 2,870 3,100 3,425 3,836 4,100 4,247 4,340 4,795 5,084 5,425 5,480 5,617 5,740 6,200 6,355 6,850 7,175 7,672 8,200 8,494 8,680 8,897 9,590 10,168 10,850 11,234 11,480 12,710 13,700 14,350 16,988 17,794 19,180 21,235 21,700 22,468 23,975 25,420 27,400 28,085 28,700 29,729 31,775 33,976 35,588 38,360 39,319 42,470 43,400 44,485 44,936 47,950 50,840 56,170 57,400 59,458 63,550 71,176 78,638 84,940 88,970 95,900 106,175 112,340 118,916 127,100 140,425 148,645 157,276 169,880 174,127 177,940 191,800 196,595 212,350 222,425 224,680 237,832 254,200 280,850 297,290 314,552 348,254 355,880 393,190 424,700 444,850 561,700 594,580 696,508 743,225 786,380 849,400 870,635 889,700 982,975 1,123,400 1,189,160 1,218,889 1,393,016 1,486,450 1,572,760 1,741,270 1,779,400 1,965,950 2,437,778 2,972,900 3,482,540 3,931,900 4,353,175 4,875,556 5,945,800 6,094,445 6,965,080 7,863,800 8,706,350 9,751,112 12,188,890 17,412,700 24,377,780 30,472,225 34,825,400 48,755,560 60,944,450 121,888,900 and 243,777,800, with no remainder.

Since 243,777,800 cannot be divided by just 1 and 243,777,800, 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).