Q: Is 2,129,946 a Composite Number?

Why is 2,129,946 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 2,129,946 can be evenly divided by 1 2 3 6 7 13 14 21 26 39 42 47 78 83 91 94 141 166 182 249 273 282 329 498 546 581 611 658 987 1,079 1,162 1,222 1,743 1,833 1,974 2,158 3,237 3,486 3,666 3,901 4,277 6,474 7,553 7,802 8,554 11,703 12,831 15,106 22,659 23,406 25,662 27,307 45,318 50,713 54,614 81,921 101,426 152,139 163,842 304,278 354,991 709,982 1,064,973 and 2,129,946, with no remainder.

Since 2,129,946 cannot be divided by just 1 and 2,129,946, 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).