Q: Is 2,021,355 a Composite Number?

Why is 2,021,355 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 2,021,355 can be evenly divided by 1 3 5 7 9 15 21 23 27 31 35 45 63 69 81 93 105 115 135 155 161 189 207 217 279 315 345 405 465 483 567 621 651 713 805 837 945 1,035 1,085 1,395 1,449 1,863 1,953 2,139 2,415 2,511 2,835 3,105 3,255 3,565 4,185 4,347 4,991 5,859 6,417 7,245 9,315 9,765 10,695 12,555 13,041 14,973 17,577 19,251 21,735 24,955 29,295 32,085 44,919 57,753 65,205 74,865 87,885 96,255 134,757 224,595 288,765 404,271 673,785 and 2,021,355, with no remainder.

Since 2,021,355 cannot be divided by just 1 and 2,021,355, 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).