Q: Is 2,118,270 a Composite Number?

Why is 2,118,270 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 2,118,270 can be evenly divided by 1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 49 55 66 70 77 98 105 110 131 147 154 165 210 231 245 262 294 330 385 393 462 490 539 655 735 770 786 917 1,078 1,155 1,310 1,441 1,470 1,617 1,834 1,965 2,310 2,695 2,751 2,882 3,234 3,930 4,323 4,585 5,390 5,502 6,419 7,205 8,085 8,646 9,170 10,087 12,838 13,755 14,410 16,170 19,257 20,174 21,615 27,510 30,261 32,095 38,514 43,230 50,435 60,522 64,190 70,609 96,285 100,870 141,218 151,305 192,570 211,827 302,610 353,045 423,654 706,090 1,059,135 and 2,118,270, with no remainder.

Since 2,118,270 cannot be divided by just 1 and 2,118,270, 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).