Q: Is 3,920,742 a Composite Number?

Why is 3,920,742 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 3,920,742 can be evenly divided by 1 2 3 6 7 9 14 18 21 29 37 42 58 63 74 87 111 126 174 203 222 259 261 333 406 518 522 609 666 777 841 1,073 1,218 1,554 1,682 1,827 2,146 2,331 2,523 3,219 3,654 4,662 5,046 5,887 6,438 7,511 7,569 9,657 11,774 15,022 15,138 17,661 19,314 22,533 31,117 35,322 45,066 52,983 62,234 67,599 93,351 105,966 135,198 186,702 217,819 280,053 435,638 560,106 653,457 1,306,914 1,960,371 and 3,920,742, with no remainder.

Since 3,920,742 cannot be divided by just 1 and 3,920,742, 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).