Q: Is 238,140 a Composite Number?

Why is 238,140 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 238,140 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 49 54 60 63 70 81 84 90 98 105 108 126 135 140 147 162 180 189 196 210 243 245 252 270 294 315 324 378 405 420 441 486 490 540 567 588 630 735 756 810 882 945 972 980 1,134 1,215 1,260 1,323 1,470 1,620 1,701 1,764 1,890 2,205 2,268 2,430 2,646 2,835 2,940 3,402 3,780 3,969 4,410 4,860 5,292 5,670 6,615 6,804 7,938 8,505 8,820 11,340 11,907 13,230 15,876 17,010 19,845 23,814 26,460 34,020 39,690 47,628 59,535 79,380 119,070 and 238,140, with no remainder.

Since 238,140 cannot be divided by just 1 and 238,140, 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).