# Is 12 a composite number?

Table of Contents

## Is 12 a composite number?

which is not prime (i.e., which has factors other than 1 and itself). The first few composite numbers (sometimes called “composites” for short) are 4, 6, 8, 9, 10, 12, 14, 15, 16, Note that the number 1 is a special case which is considered to be neither composite nor prime. …

## Why is 12 a composite number?

So when there are more factors than 1 or the number itself, the number is Composite….Examples From 1 to 14.

Number | Can be Exactly Divided By | Prime, or Composite? |
---|---|---|

11 | 1, 11 | Prime |

12 | 1, 2, 3, 4, 6, 12 | Composite |

13 | 1, 13 | Prime |

14 | 1, 2, 7, 14 | Composite |

## Why is 12 not a prime number?

No, 12 is not a prime number. The number 12 is divisible by 1, 2, 3, 4, 6, 12. For a number to be classified as a prime number, it should have exactly two factors. Since 12 has more than two factors, i.e. 1, 2, 3, 4, 6, 12, it is not a prime number.

## Is the number 13 prime or composite?

“Yes, 13 is a prime number.” A number can be classified as prime or composite depending on the factors it contains; it could either have only 2 factors or more than 2 factors. Numbers like 599 with only 2 factors, i.e. 1 and 599 are called prime numbers.

## Why is 2 the only prime number?

A prime number can have only 1 and itself as factors. Any even number has 2 as a factor so if the number has itself , 2 and 1 as factors it can not be prime. 2 is an even number that has only itself and 1 as factors so it is the only even number that is a prime.

## What is the smallest perfect number?

6

## What is the HCF of 17 and 5?

1

## What is the HCF of 12 and 17?

## What is the HCF of 120 144 and 216?

38.

## What is the GCF of 9 and 18?

9

## What is the GCF and LCM of 18 and 15?

In summary, the answer to the question “What is the LCM and GCF of 18 and 15?” is 90 and 3.