Q: Is 21,442,304 a Composite Number?

Why is 21,442,304 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 21,442,304 can be evenly divided by 1 2 4 8 13 16 17 26 32 34 52 64 68 104 128 136 208 221 256 272 379 416 442 544 758 832 884 1,088 1,516 1,664 1,768 2,176 3,032 3,328 3,536 4,352 4,927 6,064 6,443 7,072 9,854 12,128 12,886 14,144 19,708 24,256 25,772 28,288 39,416 48,512 51,544 56,576 78,832 83,759 97,024 103,088 157,664 167,518 206,176 315,328 335,036 412,352 630,656 670,072 824,704 1,261,312 1,340,144 1,649,408 2,680,288 5,360,576 10,721,152 and 21,442,304, with no remainder.

Since 21,442,304 cannot be divided by just 1 and 21,442,304, 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).