Q: Is 1,566,740 a Composite Number?

Why is 1,566,740 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 1,566,740 can be evenly divided by 1 2 4 5 7 10 14 19 20 28 31 35 38 62 70 76 95 124 133 140 155 190 217 266 310 361 380 434 532 589 620 665 722 868 1,085 1,178 1,330 1,444 1,805 2,170 2,356 2,527 2,660 2,945 3,610 4,123 4,340 5,054 5,890 7,220 8,246 10,108 11,191 11,780 12,635 16,492 20,615 22,382 25,270 41,230 44,764 50,540 55,955 78,337 82,460 111,910 156,674 223,820 313,348 391,685 783,370 and 1,566,740, with no remainder.

Since 1,566,740 cannot be divided by just 1 and 1,566,740, 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).