** Factors of 30 **

- Factors of 30: 1, 2, 3, 5, 6, 10, 15 and 30.
- Negative Factors of 30: -1, -2, -3, -5, -6, -10, -15 and -30.
- Prime Factors of 30: 2, 3, 5.
- Prime Factorization of 30: 2 × 3 × 5 = 2 × 3 × 5.
- Sum of Factors of 30: 72.

Similarly, What are common factors of 9? Factors of 9 are **1, 3, and 9**. 1 is a universal factor. Factors of a number are the numbers we multiply to get that particular number.

What are multiples of 30? The multiples of 30 are **30, 60, 90, 120, 150, 180, 210, 240, 270, 300**, etc.

How could you find all the factor pairs of 30 using 30 pennies? ** For 30, all of the possible factor pairs are listed below: **

- 1 x 30 = 30.
- 2 x 15 = 30.
- 3 x 10 = 30.
- 5 x 6 = 30.

Secondly Why 30 is not a prime number? **No, 30 is not a prime number**. The number 30 is divisible by 1, 2, 3, 5, 6, 10, 15, 30. For a number to be classified as a prime number, it should have exactly two factors. Since 30 has more than two factors, i.e. 1, 2, 3, 5, 6, 10, 15, 30, it is not a prime number.

## What is a factor of 45?

All the factors of 45 are 1, 3, 5, 9, 15, and 45. Prime factorization of 45 is 45 **= 3 ^{2} × 5**.

then What factors are common to 15 and 30? ** GCF of 15 and 30 by Listing Common Factors **

- Factors of 15: 1, 3, 5, 15.
- Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30.

What is the common factor of 20 and 30? There are 4 common factors of 20 and 30, that are 1, 2, **10**, and 5. Therefore, the greatest common factor of 20 and 30 is 10.

## What is the LCM of 50100 25?

The least common multiple of 25, 50 and 100 is **100**.

Is 238 a square number? **238 is not a perfect square**.

Which is the 30th non zero multiple of 30?

Answer: **1,2,3,5,6,15**. these are the non zero multiples of 30.

What can I multiply to get 32? **1 × 32, 32 × 1, 4 × 8, and 8 × 4** are the factors of 32 in pairs.

## How do you find the sum of odd factors of a number?

To find sum of odd factors, we simply need **to ignore even factors and their powers**. For example, consider n = 18. It can be written as 2^{1}3^{2} and sun of all factors is (1)*(1 + 2)*(1 + 3 + 3^{2}). Sum of odd factors (1)*(1+3+3^{2}) = 13.

What’s the prime factorization of 42?

Prime factors of 42 are **1, 2, 3, and 7**.

What is the numerical value of 30? Roman Numerals

# | RN |
---|---|

27 | XXVII |

28 | XXVIII |

29 | XXIX |

30 | XXX |

Why is 30 Special? 30 is **the largest number such that all coprimes smaller than itself**, except for 1, are prime. A polygon with thirty sides is called a triacontagon. The icosahedron and the dodecahedron are Platonic solids with 30 edges.

## What is 30 called?

A person between 20 and 29 is called a vicenarian. A person between 30 and 39 is called **a tricenarian**. A person between 40 and 49 is called a quadragenarian. A person between 50 and 59 is called a quinquagenarian. A person between 60 and 69 is called a sexagenarian.

What is the factor of 28? The factors of 28 are **1, 2, 4, 7, 14, 28** and its negative factors are -1, -2, -4, -7, -14, -28.

How many factors does 83 have?

Since 83 is a prime number, it has only **two factors**; they are 1 and 83.

What is the factor of 81? Factors of 81 are **1, 3, 9, 27, and 81**. Hence, it is a composite number.

### What is the HCF of 30?

Factors of 30 (Thirty) = 1, 2, 3, 5, 6, 10, 15 and 30. Factors of 24 (Twenty four) = 1, 2, 3, 4, 6, 8, 12 and 24. Therefore, common factor of 30 (Thirty) and 24 (Twenty four = 1, 2, 3, and **6**. Highest common factor (H.C.F) of 30 (Thirty) and 24 (Twenty four = 6.

What’s the LCM of 8 and 20? Answer: LCM of 8 and 20 is **40**.

What numbers can make 35?

Factors of 35 are all the numbers which are multiplied to get 35 as the product. Factors of 35 are **1, 5, 7, and 35**.