Q: Is 3,784,725 a Composite Number?

Why is 3,784,725 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 3,784,725 can be evenly divided by 1 3 5 7 9 15 21 25 27 35 45 63 75 81 89 105 135 175 189 225 243 267 315 405 445 525 567 623 675 801 945 1,215 1,335 1,575 1,701 1,869 2,025 2,225 2,403 2,835 3,115 4,005 4,725 5,607 6,075 6,675 7,209 8,505 9,345 12,015 14,175 15,575 16,821 20,025 21,627 28,035 36,045 42,525 46,725 50,463 60,075 84,105 108,135 140,175 151,389 180,225 252,315 420,525 540,675 756,945 1,261,575 and 3,784,725, with no remainder.

Since 3,784,725 cannot be divided by just 1 and 3,784,725, 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).