Q: Is 15,884,820 a Composite Number?

Why is 15,884,820 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 15,884,820 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 49 60 63 70 84 90 98 105 126 140 147 180 196 210 245 252 294 315 420 441 490 588 630 735 882 980 1,260 1,470 1,764 1,801 2,205 2,940 3,602 4,410 5,403 7,204 8,820 9,005 10,806 12,607 16,209 18,010 21,612 25,214 27,015 32,418 36,020 37,821 50,428 54,030 63,035 64,836 75,642 81,045 88,249 108,060 113,463 126,070 151,284 162,090 176,498 189,105 226,926 252,140 264,747 324,180 352,996 378,210 441,245 453,852 529,494 567,315 756,420 794,241 882,490 1,058,988 1,134,630 1,323,735 1,588,482 1,764,980 2,269,260 2,647,470 3,176,964 3,971,205 5,294,940 7,942,410 and 15,884,820, with no remainder.

Since 15,884,820 cannot be divided by just 1 and 15,884,820, 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).