Q: Is 1,558,320 a Composite Number?

Why is 1,558,320 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 1,558,320 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 43 48 60 80 86 120 129 151 172 215 240 258 302 344 430 453 516 604 645 688 755 860 906 1,032 1,208 1,290 1,510 1,720 1,812 2,064 2,265 2,416 2,580 3,020 3,440 3,624 4,530 5,160 6,040 6,493 7,248 9,060 10,320 12,080 12,986 18,120 19,479 25,972 32,465 36,240 38,958 51,944 64,930 77,916 97,395 103,888 129,860 155,832 194,790 259,720 311,664 389,580 519,440 779,160 and 1,558,320, with no remainder.

Since 1,558,320 cannot be divided by just 1 and 1,558,320, 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).