Q: Is 21,626,176 a Composite Number?

Why is 21,626,176 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 21,626,176 can be evenly divided by 1 2 4 8 11 13 16 17 22 26 32 34 44 52 64 68 88 104 136 139 143 176 187 208 221 272 278 286 352 374 416 442 544 556 572 704 748 832 884 1,088 1,112 1,144 1,496 1,529 1,768 1,807 2,224 2,288 2,363 2,431 2,992 3,058 3,536 3,614 4,448 4,576 4,726 4,862 5,984 6,116 7,072 7,228 8,896 9,152 9,452 9,724 11,968 12,232 14,144 14,456 18,904 19,448 19,877 24,464 25,993 28,912 30,719 37,808 38,896 39,754 48,928 51,986 57,824 61,438 75,616 77,792 79,508 97,856 103,972 115,648 122,876 151,232 155,584 159,016 207,944 245,752 318,032 337,909 415,888 491,504 636,064 675,818 831,776 983,008 1,272,128 1,351,636 1,663,552 1,966,016 2,703,272 5,406,544 10,813,088 and 21,626,176, with no remainder.

Since 21,626,176 cannot be divided by just 1 and 21,626,176, 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).