Q: Is 17,811,180 a Composite Number?

Why is 17,811,180 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 17,811,180 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 53 60 90 106 159 180 212 265 318 477 530 636 795 954 1,060 1,590 1,867 1,908 2,385 3,180 3,734 4,770 5,601 7,468 9,335 9,540 11,202 16,803 18,670 22,404 28,005 33,606 37,340 56,010 67,212 84,015 98,951 112,020 168,030 197,902 296,853 336,060 395,804 494,755 593,706 890,559 989,510 1,187,412 1,484,265 1,781,118 1,979,020 2,968,530 3,562,236 4,452,795 5,937,060 8,905,590 and 17,811,180, with no remainder.

Since 17,811,180 cannot be divided by just 1 and 17,811,180, 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).