Q: Is 320,403,020 a Composite Number?

Why is 320,403,020 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 320,403,020 can be evenly divided by 1 2 4 5 7 10 14 20 28 29 35 53 58 70 106 116 140 145 203 212 265 290 371 406 530 580 742 812 1,015 1,060 1,484 1,489 1,537 1,855 2,030 2,978 3,074 3,710 4,060 5,956 6,148 7,420 7,445 7,685 10,423 10,759 14,890 15,370 20,846 21,518 29,780 30,740 41,692 43,036 43,181 52,115 53,795 78,917 86,362 104,230 107,590 157,834 172,724 208,460 215,180 215,905 302,267 315,668 394,585 431,810 552,419 604,534 789,170 863,620 1,104,838 1,209,068 1,511,335 1,578,340 2,209,676 2,288,593 2,762,095 3,022,670 4,577,186 5,524,190 6,045,340 9,154,372 11,048,380 11,442,965 16,020,151 22,885,930 32,040,302 45,771,860 64,080,604 80,100,755 160,201,510 and 320,403,020, with no remainder.

Since 320,403,020 cannot be divided by just 1 and 320,403,020, 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).