Factors of 65 are the numbers which when multiplied in pairs give the product as 65. These factors can be negative as well. 65 is a special two-digit number because apart from 1 and 65, it has only one other pair factor, i.e. 5 and 13. In this lesson, we will learn the factors of 65, the prime factors of 65, and the factors of 65 in pairs along with solved examples.

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**Factors of 65:** 1, 5, 13, and 65**Prime Factorization of 65:** 65 = 5 × 13

1. | What Are the Factors of 65? |

2. | How to Calculate the Factors of 65? |

3. | Factors of 65 by Prime Factorization |

4. | Factors of 65 in Pairs |

5. | FAQs on Factors of 65 |

## What Are the Factors of 65?

Let us first understand the meaning of factors. A factor is that number which divides any given number without leaving a remainder at the end. The number 65 is said to be an odd composite number. A composite number is a number that consists of more than two factors. For instance, consider the number 65. **The factors of 65 are 1, 5, 13, and 65.**

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## How to Calculate the Factors of 65?

Let us begin calculating the factors of 65.**We start with the number 1.Divide 65 with 1. Is the remainder zero?Yes! By factor definition, the number 65 is divided equally by 1 without leaving a remainder.**

65 ÷ 1 = 6565 × 1 = 65

Next, let”s try the number 2. Since 65 is an odd number, it cannot be divided by 2 or multiples of 2. Hence, we need to check odd numbers only. Let”s try with number 3.65 ÷ 3 = 21.66Therefore, 3 is not a factor of 65.Now, let”s try with number 5.

65 ÷ 5 = 135 × 13 = 65

## Factors of 65 By Prime Factorization

Prime factorization is the process of breaking down a composite number into its prime factors.To get the prime factorization of 65, we divide it by its smallest prime factor which is 5.

65 ÷ 5 = 13The process of prime factorization goes on till we get the quotient as 1.The prime factorization of 65 is shown below:

Prime factorization of 65 can also be represented as follows:

65 = 5 × 13 × 1

Now that we have done the prime factorization of our number, we can multiply them and get the other factors. Can you try and find out if all the factors are covered or not?And as you might have already guessed, for prime numbers, there are no other factors.

**Explore factors using illustrations and interactive examples**

**Challenging Question:**

Mike has to divide 65 students in his class into different groups with the same number of students in all the groups. Each group must have more than one student and not all students can be in one group. In how many ways can Mike form these groups?

## Factors of 65 in Pairs

The pair of numbers that give 65 when multiplied with each other is called the pair factors of 65.Therefore, the pair factors of 65 are** **(1,65) and (5,13).Since the product of two negative numbers is positive, i.e. (-) × (-) = (+), (-1,-65), (-5,-13) are also factor pairs of 65.

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**Important Notes:**

The numbers which we multiply to get 65 are the factors of 65.The factors of 65 are 1, 5, 13, and 65.As the number 65 is an odd composite number, all of its factors will also be odd.The number 65 is neither a perfect square nor a perfect cube.

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