Q: Is 87,718,840 a Composite Number?

Why is 87,718,840 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 87,718,840 can be evenly divided by 1 2 4 5 8 10 11 20 22 31 40 44 55 59 62 88 109 110 118 124 155 218 220 236 248 295 310 341 436 440 472 545 590 620 649 682 872 1,090 1,180 1,199 1,240 1,298 1,364 1,705 1,829 2,180 2,360 2,398 2,596 2,728 3,245 3,379 3,410 3,658 4,360 4,796 5,192 5,995 6,431 6,490 6,758 6,820 7,316 9,145 9,592 11,990 12,862 12,980 13,516 13,640 14,632 16,895 18,290 20,119 23,980 25,724 25,960 27,032 32,155 33,790 36,580 37,169 40,238 47,960 51,448 64,310 67,580 70,741 73,160 74,338 80,476 100,595 128,620 135,160 141,482 148,676 160,952 185,845 199,361 201,190 257,240 282,964 297,352 353,705 371,690 398,722 402,380 565,928 707,410 743,380 797,444 804,760 996,805 1,414,820 1,486,760 1,594,888 1,993,610 2,192,971 2,829,640 3,987,220 4,385,942 7,974,440 8,771,884 10,964,855 17,543,768 21,929,710 43,859,420 and 87,718,840, with no remainder.

Since 87,718,840 cannot be divided by just 1 and 87,718,840, 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).