Q: Is 13,178,340 a Composite Number?

Why is 13,178,340 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 13,178,340 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 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1,260 10,459 20,918 31,377 41,836 52,295 62,754 73,213 94,131 104,590 125,508 146,426 156,885 188,262 209,180 219,639 292,852 313,770 366,065 376,524 439,278 470,655 627,540 658,917 732,130 878,556 941,310 1,098,195 1,317,834 1,464,260 1,882,620 2,196,390 2,635,668 3,294,585 4,392,780 6,589,170 and 13,178,340, with no remainder.

Since 13,178,340 cannot be divided by just 1 and 13,178,340, 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).