Q: Is 138,242,420 a Composite Number?

Why is 138,242,420 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 138,242,420 can be evenly divided by 1 2 4 5 10 20 23 29 43 46 58 86 92 115 116 145 172 215 230 241 290 430 460 482 580 667 860 964 989 1,205 1,247 1,334 1,978 2,410 2,494 2,668 3,335 3,956 4,820 4,945 4,988 5,543 6,235 6,670 6,989 9,890 10,363 11,086 12,470 13,340 13,978 19,780 20,726 22,172 24,940 27,715 27,956 28,681 34,945 41,452 51,815 55,430 57,362 69,890 103,630 110,860 114,724 139,780 143,405 160,747 207,260 238,349 286,810 300,527 321,494 476,698 573,620 601,054 642,988 803,735 953,396 1,191,745 1,202,108 1,502,635 1,607,470 2,383,490 3,005,270 3,214,940 4,766,980 6,010,540 6,912,121 13,824,242 27,648,484 34,560,605 69,121,210 and 138,242,420, with no remainder.

Since 138,242,420 cannot be divided by just 1 and 138,242,420, 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).