Q: Is 312,311,220 a Composite Number?

Why is 312,311,220 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 312,311,220 can be evenly divided by 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 431 780 862 929 1,293 1,724 1,858 2,155 2,586 2,787 3,716 4,310 4,645 5,172 5,574 5,603 6,465 8,620 9,290 11,148 11,206 12,077 12,930 13,935 16,809 18,580 22,412 24,154 25,860 27,870 28,015 33,618 36,231 48,308 55,740 56,030 60,385 67,236 72,462 84,045 112,060 120,770 144,924 168,090 181,155 241,540 336,180 362,310 400,399 724,620 800,798 1,201,197 1,601,596 2,001,995 2,402,394 4,003,990 4,804,788 5,205,187 6,005,985 8,007,980 10,410,374 12,011,970 15,615,561 20,820,748 24,023,940 26,025,935 31,231,122 52,051,870 62,462,244 78,077,805 104,103,740 156,155,610 and 312,311,220, with no remainder.

Since 312,311,220 cannot be divided by just 1 and 312,311,220, 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).