Q: Is 3,221,925 a Composite Number?

Why is 3,221,925 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 3,221,925 can be evenly divided by 1 3 5 7 15 17 19 21 25 35 51 57 75 85 95 105 119 133 175 255 285 323 357 361 399 425 475 525 595 665 969 1,083 1,275 1,425 1,615 1,785 1,805 1,995 2,261 2,527 2,975 3,325 4,845 5,415 6,137 6,783 7,581 8,075 8,925 9,025 9,975 11,305 12,635 18,411 24,225 27,075 30,685 33,915 37,905 42,959 56,525 63,175 92,055 128,877 153,425 169,575 189,525 214,795 460,275 644,385 1,073,975 and 3,221,925, with no remainder.

Since 3,221,925 cannot be divided by just 1 and 3,221,925, 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).