Q: Is 1,381,860 a Composite Number?

Why is 1,381,860 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 1,381,860 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 853 1,620 1,706 2,559 3,412 4,265 5,118 7,677 8,530 10,236 12,795 15,354 17,060 23,031 25,590 30,708 38,385 46,062 51,180 69,093 76,770 92,124 115,155 138,186 153,540 230,310 276,372 345,465 460,620 690,930 and 1,381,860, with no remainder.

Since 1,381,860 cannot be divided by just 1 and 1,381,860, 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).