Q: Is 2,771,440 a Composite Number?

Why is 2,771,440 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 2,771,440 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 101 112 140 196 202 245 280 343 392 404 490 505 560 686 707 784 808 980 1,010 1,372 1,414 1,616 1,715 1,960 2,020 2,744 2,828 3,430 3,535 3,920 4,040 4,949 5,488 5,656 6,860 7,070 8,080 9,898 11,312 13,720 14,140 19,796 24,745 27,440 28,280 34,643 39,592 49,490 56,560 69,286 79,184 98,980 138,572 173,215 197,960 277,144 346,430 395,920 554,288 692,860 1,385,720 and 2,771,440, with no remainder.

Since 2,771,440 cannot be divided by just 1 and 2,771,440, 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).