Q: Is 3,668,385 a Composite Number?

Why is 3,668,385 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 3,668,385 can be evenly divided by 1 3 5 7 15 21 23 31 35 49 69 93 105 115 147 155 161 217 245 343 345 465 483 651 713 735 805 1,029 1,085 1,127 1,519 1,715 2,139 2,415 3,255 3,381 3,565 4,557 4,991 5,145 5,635 7,595 7,889 10,633 10,695 14,973 16,905 22,785 23,667 24,955 31,899 34,937 39,445 53,165 74,865 104,811 118,335 159,495 174,685 244,559 524,055 733,677 1,222,795 and 3,668,385, with no remainder.

Since 3,668,385 cannot be divided by just 1 and 3,668,385, 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).