Q: Is 121,128 a Composite Number?

 A: Yes, 121,128 is a composite number.

Why is 121,128 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 121,128 can be evenly divided by 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 103 147 168 196 206 294 309 392 412 588 618 721 824 1,176 1,236 1,442 2,163 2,472 2,884 4,326 5,047 5,768 8,652 10,094 15,141 17,304 20,188 30,282 40,376 60,564 and 121,128, with no remainder.

Since 121,128 cannot be divided by just 1 and 121,128, it is a composite number.


More Examples

Number 121,126121,127121,129121,130
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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