Q: Is 1,524,780 a Composite Number?

Why is 1,524,780 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 1,524,780 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 43 45 60 86 90 129 172 180 197 215 258 387 394 430 516 591 645 774 788 860 985 1,182 1,290 1,548 1,773 1,935 1,970 2,364 2,580 2,955 3,546 3,870 3,940 5,910 7,092 7,740 8,471 8,865 11,820 16,942 17,730 25,413 33,884 35,460 42,355 50,826 76,239 84,710 101,652 127,065 152,478 169,420 254,130 304,956 381,195 508,260 762,390 and 1,524,780, with no remainder.

Since 1,524,780 cannot be divided by just 1 and 1,524,780, 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).