Q: Is 12,320,560 a Composite Number?

Why is 12,320,560 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 12,320,560 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 112 140 196 245 280 343 392 449 490 560 686 784 898 980 1,372 1,715 1,796 1,960 2,245 2,744 3,143 3,430 3,592 3,920 4,490 5,488 6,286 6,860 7,184 8,980 12,572 13,720 15,715 17,960 22,001 25,144 27,440 31,430 35,920 44,002 50,288 62,860 88,004 110,005 125,720 154,007 176,008 220,010 251,440 308,014 352,016 440,020 616,028 770,035 880,040 1,232,056 1,540,070 1,760,080 2,464,112 3,080,140 6,160,280 and 12,320,560, with no remainder.

Since 12,320,560 cannot be divided by just 1 and 12,320,560, 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).