Q: Is 7,121,536 a Composite Number?

Why is 7,121,536 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 7,121,536 can be evenly divided by 1 2 4 8 16 23 32 41 46 59 64 82 92 118 128 164 184 236 328 368 472 656 736 943 944 1,312 1,357 1,472 1,886 1,888 2,419 2,624 2,714 2,944 3,772 3,776 4,838 5,248 5,428 7,544 7,552 9,676 10,856 15,088 19,352 21,712 30,176 38,704 43,424 55,637 60,352 77,408 86,848 111,274 120,704 154,816 173,696 222,548 309,632 445,096 890,192 1,780,384 3,560,768 and 7,121,536, with no remainder.

Since 7,121,536 cannot be divided by just 1 and 7,121,536, 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).