Q: Is 311,220,210 a Composite Number?

Why is 311,220,210 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 311,220,210 can be evenly divided by 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 397 794 1,191 1,985 2,382 2,779 3,733 3,970 5,558 5,955 7,466 8,337 11,199 11,910 13,895 16,674 18,665 22,398 26,131 27,790 37,330 41,685 52,262 55,995 78,393 83,370 111,990 130,655 156,786 261,310 391,965 783,930 1,482,001 2,964,002 4,446,003 7,410,005 8,892,006 10,374,007 14,820,010 20,748,014 22,230,015 31,122,021 44,460,030 51,870,035 62,244,042 103,740,070 155,610,105 and 311,220,210, with no remainder.

Since 311,220,210 cannot be divided by just 1 and 311,220,210, 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).