Q: Is 7,815,808 a Composite Number?

Why is 7,815,808 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 7,815,808 can be evenly divided by 1 2 4 7 8 11 13 14 16 22 26 28 32 44 52 56 61 64 77 88 91 104 112 122 128 143 154 176 182 208 224 244 286 308 352 364 416 427 448 488 572 616 671 704 728 793 832 854 896 976 1,001 1,144 1,232 1,342 1,408 1,456 1,586 1,664 1,708 1,952 2,002 2,288 2,464 2,684 2,912 3,172 3,416 3,904 4,004 4,576 4,697 4,928 5,368 5,551 5,824 6,344 6,832 7,808 8,008 8,723 9,152 9,394 9,856 10,736 11,102 11,648 12,688 13,664 16,016 17,446 18,304 18,788 21,472 22,204 25,376 27,328 32,032 34,892 37,576 42,944 44,408 50,752 54,656 61,061 64,064 69,784 75,152 85,888 88,816 101,504 122,122 128,128 139,568 150,304 177,632 244,244 279,136 300,608 355,264 488,488 558,272 601,216 710,528 976,976 1,116,544 1,953,952 3,907,904 and 7,815,808, with no remainder.

Since 7,815,808 cannot be divided by just 1 and 7,815,808, 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).