Q: Is 40,309,720 a Composite Number?

Why is 40,309,720 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 40,309,720 can be evenly divided by 1 2 4 5 8 10 11 17 20 22 34 40 44 55 68 85 88 110 136 170 187 220 289 317 340 374 440 578 634 680 748 935 1,156 1,268 1,445 1,496 1,585 1,870 2,312 2,536 2,890 3,170 3,179 3,487 3,740 5,389 5,780 6,340 6,358 6,974 7,480 10,778 11,560 12,680 12,716 13,948 15,895 17,435 21,556 25,432 26,945 27,896 31,790 34,870 43,112 53,890 59,279 63,580 69,740 91,613 107,780 118,558 127,160 139,480 183,226 215,560 237,116 296,395 366,452 458,065 474,232 592,790 732,904 916,130 1,007,743 1,185,580 1,832,260 2,015,486 2,371,160 3,664,520 4,030,972 5,038,715 8,061,944 10,077,430 20,154,860 and 40,309,720, with no remainder.

Since 40,309,720 cannot be divided by just 1 and 40,309,720, 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).