Q: Is 20,700,540 a Composite Number?

Why is 20,700,540 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 20,700,540 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 2,205 2,347 2,940 4,410 4,694 7,041 8,820 9,388 11,735 14,082 16,429 21,123 23,470 28,164 32,858 35,205 42,246 46,940 49,287 65,716 70,410 82,145 84,492 98,574 105,615 115,003 140,820 147,861 164,290 197,148 211,230 230,006 246,435 295,722 328,580 345,009 422,460 460,012 492,870 575,015 591,444 690,018 739,305 985,740 1,035,027 1,150,030 1,380,036 1,478,610 1,725,045 2,070,054 2,300,060 2,957,220 3,450,090 4,140,108 5,175,135 6,900,180 10,350,270 and 20,700,540, with no remainder.

Since 20,700,540 cannot be divided by just 1 and 20,700,540, 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).