Q: Is 1,587,880 a Composite Number?

Why is 1,587,880 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 1,587,880 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 53 56 70 106 107 140 212 214 265 280 371 424 428 530 535 742 749 856 1,060 1,070 1,484 1,498 1,855 2,120 2,140 2,968 2,996 3,710 3,745 4,280 5,671 5,992 7,420 7,490 11,342 14,840 14,980 22,684 28,355 29,960 39,697 45,368 56,710 79,394 113,420 158,788 198,485 226,840 317,576 396,970 793,940 and 1,587,880, with no remainder.

Since 1,587,880 cannot be divided by just 1 and 1,587,880, 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).