Q: Is 7,318,840 a Composite Number?

Why is 7,318,840 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 7,318,840 can be evenly divided by 1 2 4 5 8 10 17 20 34 40 47 68 85 94 136 170 188 229 235 340 376 458 470 680 799 916 940 1,145 1,598 1,832 1,880 2,290 3,196 3,893 3,995 4,580 6,392 7,786 7,990 9,160 10,763 15,572 15,980 19,465 21,526 31,144 31,960 38,930 43,052 53,815 77,860 86,104 107,630 155,720 182,971 215,260 365,942 430,520 731,884 914,855 1,463,768 1,829,710 3,659,420 and 7,318,840, with no remainder.

Since 7,318,840 cannot be divided by just 1 and 7,318,840, 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).