Q: Is 1,868,370 a Composite Number?

Why is 1,868,370 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 1,868,370 can be evenly divided by 1 2 3 5 6 7 10 14 15 21 30 31 35 41 42 49 62 70 82 93 98 105 123 147 155 186 205 210 217 245 246 287 294 310 410 434 465 490 574 615 651 735 861 930 1,085 1,230 1,271 1,302 1,435 1,470 1,519 1,722 2,009 2,170 2,542 2,870 3,038 3,255 3,813 4,018 4,305 4,557 6,027 6,355 6,510 7,595 7,626 8,610 8,897 9,114 10,045 12,054 12,710 15,190 17,794 19,065 20,090 22,785 26,691 30,135 38,130 44,485 45,570 53,382 60,270 62,279 88,970 124,558 133,455 186,837 266,910 311,395 373,674 622,790 934,185 and 1,868,370, with no remainder.

Since 1,868,370 cannot be divided by just 1 and 1,868,370, 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).