Q: Is 1,530,270 a Composite Number?

Why is 1,530,270 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 1,530,270 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 90 98 105 126 147 210 245 294 315 347 441 490 630 694 735 882 1,041 1,470 1,735 2,082 2,205 2,429 3,123 3,470 4,410 4,858 5,205 6,246 7,287 10,410 12,145 14,574 15,615 17,003 21,861 24,290 31,230 34,006 36,435 43,722 51,009 72,870 85,015 102,018 109,305 153,027 170,030 218,610 255,045 306,054 510,090 765,135 and 1,530,270, with no remainder.

Since 1,530,270 cannot be divided by just 1 and 1,530,270, 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).