Q: Is 21,302,112 a Composite Number?

Why is 21,302,112 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 21,302,112 can be evenly divided by 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 101 104 156 169 202 208 303 312 338 404 416 507 606 624 676 808 1,014 1,212 1,248 1,313 1,352 1,616 2,028 2,197 2,424 2,626 2,704 3,232 3,939 4,056 4,394 4,848 5,252 5,408 6,591 7,878 8,112 8,788 9,696 10,504 13,182 15,756 16,224 17,069 17,576 21,008 26,364 31,512 34,138 35,152 42,016 51,207 52,728 63,024 68,276 70,304 102,414 105,456 126,048 136,552 204,828 210,912 221,897 273,104 409,656 443,794 546,208 665,691 819,312 887,588 1,331,382 1,638,624 1,775,176 2,662,764 3,550,352 5,325,528 7,100,704 10,651,056 and 21,302,112, with no remainder.

Since 21,302,112 cannot be divided by just 1 and 21,302,112, 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).