Q: Is 2,173,770 a Composite Number?

Why is 2,173,770 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 2,173,770 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 45 54 83 90 97 135 166 194 249 270 291 415 485 498 582 747 830 873 970 1,245 1,455 1,494 1,746 2,241 2,490 2,619 2,910 3,735 4,365 4,482 5,238 7,470 8,051 8,730 11,205 13,095 16,102 22,410 24,153 26,190 40,255 48,306 72,459 80,510 120,765 144,918 217,377 241,530 362,295 434,754 724,590 1,086,885 and 2,173,770, with no remainder.

Since 2,173,770 cannot be divided by just 1 and 2,173,770, 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).