Q: Is 139,230 a Composite Number?

Why is 139,230 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 139,230 can be evenly divided by 1 2 3 5 6 7 9 10 13 14 15 17 18 21 26 30 34 35 39 42 45 51 63 65 70 78 85 90 91 102 105 117 119 126 130 153 170 182 195 210 221 234 238 255 273 306 315 357 390 442 455 510 546 585 595 630 663 714 765 819 910 1,071 1,105 1,170 1,190 1,326 1,365 1,530 1,547 1,638 1,785 1,989 2,142 2,210 2,730 3,094 3,315 3,570 3,978 4,095 4,641 5,355 6,630 7,735 8,190 9,282 9,945 10,710 13,923 15,470 19,890 23,205 27,846 46,410 69,615 and 139,230, with no remainder.

Since 139,230 cannot be divided by just 1 and 139,230, 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).