Q: Is 16,716,780 a Composite Number?

Why is 16,716,780 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 16,716,780 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 17 18 20 27 30 34 36 45 51 54 60 68 81 85 90 102 108 135 153 162 170 180 204 255 270 306 324 340 405 459 510 540 607 612 765 810 918 1,020 1,214 1,377 1,530 1,620 1,821 1,836 2,295 2,428 2,754 3,035 3,060 3,642 4,590 5,463 5,508 6,070 6,885 7,284 9,105 9,180 10,319 10,926 12,140 13,770 16,389 18,210 20,638 21,852 27,315 27,540 30,957 32,778 36,420 41,276 49,167 51,595 54,630 61,914 65,556 81,945 92,871 98,334 103,190 109,260 123,828 154,785 163,890 185,742 196,668 206,380 245,835 278,613 309,570 327,780 371,484 464,355 491,670 557,226 619,140 835,839 928,710 983,340 1,114,452 1,393,065 1,671,678 1,857,420 2,786,130 3,343,356 4,179,195 5,572,260 8,358,390 and 16,716,780, with no remainder.

Since 16,716,780 cannot be divided by just 1 and 16,716,780, 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).