Q: Is 123,000,210 a Composite Number?

Why is 123,000,210 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 123,000,210 can be evenly divided by 1 2 3 5 6 9 10 15 18 30 37 43 45 74 86 90 111 129 185 215 222 258 333 370 387 430 555 645 666 774 859 1,110 1,290 1,591 1,665 1,718 1,935 2,577 3,182 3,330 3,870 4,295 4,773 5,154 7,731 7,955 8,590 9,546 12,885 14,319 15,462 15,910 23,865 25,770 28,638 31,783 36,937 38,655 47,730 63,566 71,595 73,874 77,310 95,349 110,811 143,190 158,915 184,685 190,698 221,622 286,047 317,830 332,433 369,370 476,745 554,055 572,094 664,866 953,490 1,108,110 1,366,669 1,430,235 1,662,165 2,733,338 2,860,470 3,324,330 4,100,007 6,833,345 8,200,014 12,300,021 13,666,690 20,500,035 24,600,042 41,000,070 61,500,105 and 123,000,210, with no remainder.

Since 123,000,210 cannot be divided by just 1 and 123,000,210, 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).