Q: Is 121,742,019 a Composite Number?

 A: Yes, 121,742,019 is a composite number.

Why is 121,742,019 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 121,742,019 can be evenly divided by 1 3 7 9 21 49 63 113 147 339 343 349 441 791 1,017 1,029 1,047 2,373 2,443 3,087 3,141 5,537 7,119 7,329 16,611 17,101 21,987 38,759 39,437 49,833 51,303 116,277 118,311 119,707 153,909 276,059 348,831 354,933 359,121 828,177 1,077,363 1,932,413 2,484,531 5,797,239 13,526,891 17,391,717 40,580,673 and 121,742,019, with no remainder.

Since 121,742,019 cannot be divided by just 1 and 121,742,019, it is a composite number.


More Examples

Number 121,742,017121,742,018121,742,020121,742,021
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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