Q: Is 40,421,430 a Composite Number?

Why is 40,421,430 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 40,421,430 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 81 90 105 126 135 162 189 210 270 315 378 405 567 630 810 945 1,134 1,890 2,835 5,670 7,129 14,258 21,387 35,645 42,774 49,903 64,161 71,290 99,806 106,935 128,322 149,709 192,483 213,870 249,515 299,418 320,805 384,966 449,127 499,030 577,449 641,610 748,545 898,254 962,415 1,154,898 1,347,381 1,497,090 1,924,830 2,245,635 2,694,762 2,887,245 4,042,143 4,491,270 5,774,490 6,736,905 8,084,286 13,473,810 20,210,715 and 40,421,430, with no remainder.

Since 40,421,430 cannot be divided by just 1 and 40,421,430, 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).