Q: Is 18,670,020 a Composite Number?

Why is 18,670,020 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 18,670,020 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 83 92 115 138 163 166 230 249 276 326 332 345 415 460 489 498 652 690 815 830 978 996 1,245 1,380 1,630 1,660 1,909 1,956 2,445 2,490 3,260 3,749 3,818 4,890 4,980 5,727 7,498 7,636 9,545 9,780 11,247 11,454 13,529 14,996 18,745 19,090 22,494 22,908 27,058 28,635 37,490 38,180 40,587 44,988 54,116 56,235 57,270 67,645 74,980 81,174 112,470 114,540 135,290 162,348 202,935 224,940 270,580 311,167 405,870 622,334 811,740 933,501 1,244,668 1,555,835 1,867,002 3,111,670 3,734,004 4,667,505 6,223,340 9,335,010 and 18,670,020, with no remainder.

Since 18,670,020 cannot be divided by just 1 and 18,670,020, 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).