Q: Is 542,430 a Composite Number?

Why is 542,430 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 542,430 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 41 42 45 49 54 63 70 82 90 98 105 123 126 135 147 189 205 210 245 246 270 287 294 315 369 378 410 441 490 574 615 630 735 738 861 882 945 1,107 1,230 1,323 1,435 1,470 1,722 1,845 1,890 2,009 2,205 2,214 2,583 2,646 2,870 3,690 4,018 4,305 4,410 5,166 5,535 6,027 6,615 7,749 8,610 10,045 11,070 12,054 12,915 13,230 15,498 18,081 20,090 25,830 30,135 36,162 38,745 54,243 60,270 77,490 90,405 108,486 180,810 271,215 and 542,430, with no remainder.

Since 542,430 cannot be divided by just 1 and 542,430, 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).