Q: Is 8,651,440 a Composite Number?

Why is 8,651,440 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 8,651,440 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 112 140 196 245 280 392 490 560 784 980 1,960 2,207 3,920 4,414 8,828 11,035 15,449 17,656 22,070 30,898 35,312 44,140 61,796 77,245 88,280 108,143 123,592 154,490 176,560 216,286 247,184 308,980 432,572 540,715 617,960 865,144 1,081,430 1,235,920 1,730,288 2,162,860 4,325,720 and 8,651,440, with no remainder.

Since 8,651,440 cannot be divided by just 1 and 8,651,440, 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).