Q: Is 2,381,640 a Composite Number?

Why is 2,381,640 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 2,381,640 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 89 120 178 223 267 356 445 446 534 669 712 890 892 1,068 1,115 1,335 1,338 1,780 1,784 2,136 2,230 2,670 2,676 3,345 3,560 4,460 5,340 5,352 6,690 8,920 10,680 13,380 19,847 26,760 39,694 59,541 79,388 99,235 119,082 158,776 198,470 238,164 297,705 396,940 476,328 595,410 793,880 1,190,820 and 2,381,640, with no remainder.

Since 2,381,640 cannot be divided by just 1 and 2,381,640, 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).