Q: Is 6,388,940 a Composite Number?

Why is 6,388,940 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 6,388,940 can be evenly divided by 1 2 4 5 10 17 19 20 23 34 38 43 46 68 76 85 86 92 95 115 170 172 190 215 230 323 340 380 391 430 437 460 646 731 782 817 860 874 989 1,292 1,462 1,564 1,615 1,634 1,748 1,955 1,978 2,185 2,924 3,230 3,268 3,655 3,910 3,956 4,085 4,370 4,945 6,460 7,310 7,429 7,820 8,170 8,740 9,890 13,889 14,620 14,858 16,340 16,813 18,791 19,780 27,778 29,716 33,626 37,145 37,582 55,556 67,252 69,445 74,290 75,164 84,065 93,955 138,890 148,580 168,130 187,910 277,780 319,447 336,260 375,820 638,894 1,277,788 1,597,235 3,194,470 and 6,388,940, with no remainder.

Since 6,388,940 cannot be divided by just 1 and 6,388,940, 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).