Q: Is 6,135,780 a Composite Number?

Why is 6,135,780 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 6,135,780 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 980 1,470 2,087 2,940 4,174 6,261 8,348 10,435 12,522 14,609 20,870 25,044 29,218 31,305 41,740 43,827 58,436 62,610 73,045 87,654 102,263 125,220 146,090 175,308 204,526 219,135 292,180 306,789 409,052 438,270 511,315 613,578 876,540 1,022,630 1,227,156 1,533,945 2,045,260 3,067,890 and 6,135,780, with no remainder.

Since 6,135,780 cannot be divided by just 1 and 6,135,780, 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).