Q: Is 1,865,724 a Composite Number?

Why is 1,865,724 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 1,865,724 can be evenly divided by 1 2 3 4 6 7 12 14 19 21 28 38 42 49 57 76 84 98 114 133 147 167 196 228 266 294 334 399 501 532 588 668 798 931 1,002 1,169 1,596 1,862 2,004 2,338 2,793 3,173 3,507 3,724 4,676 5,586 6,346 7,014 8,183 9,519 11,172 12,692 14,028 16,366 19,038 22,211 24,549 32,732 38,076 44,422 49,098 66,633 88,844 98,196 133,266 155,477 266,532 310,954 466,431 621,908 932,862 and 1,865,724, with no remainder.

Since 1,865,724 cannot be divided by just 1 and 1,865,724, 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).