Knowing the factors of 55 will help you solve many maths problems. What are the factors? They are just the specific digits that divide the number equally leaving no remainders. Let us not waste the time and jump to learn the numbers that are factors of 55.

**What Are The Factors Of 55?**

1, 5, 11, 55 are factors of 55. The factor numbers are those specific numbers that divide the given digit in such a way that there will be no remainder left.

So all factors of 55 are 1, 5, 11, 55. Now

- 1(55➗1=55)
- 5(55➗5=11)
- 11(55➗11=5)
- 55(55➗55=1)

1, 5, 11, 55 are factors for 55.

After knowing what all the factors of 55 are let us know more about the 55 factors

**Prime Factors Of 55**

To know the prime factors of 55, first, you should know the prime numbers up to 55. After that, we have to divide 55 by all prime numbers. Now, we will see the prime factors by factorization method.

- 55➗2 = 27.50
- 55➗3 = 18.33
- 55➗5 = 11.00
- 55➗7 = 7.86
- 55➗11 = 5.00
- 55➗13 = 4.23
- 55➗17 = 3.24
- 55➗19 = 2.39
- 55➗23 = 2.39
- 55➗29 = 1.90
- 55➗31 = 1.77
- 55➗37 = 1.49
- 55➗41 = 1.34
- 55➗43 = 1.17
- 55➗47 = 1.04
- 55➗53 = 0.93
- 55➗59 = 0.90

So the prime factor for the number 55 are 5, 11 and 55

**Factors Of 55 In Pairs**

The product of the number whose result will be 55, that number is nothing but the pair factors of 55.

So the pair factors of 55 are

- 1 and 55 (55➗1 =55)
- 5 and 11 (55➗5 =11) & (55➗11=5)

**Factors Of -55**

The negative numbers of factors of 55 are called factors of -55.

Below You can see the numbers.

- -1(-55➗-1=-55)
- -5(-55➗-5=-11)
- -11(-55➗-11=-5)
- -55(-55➗-55=-1)

The Factors for -55 are -1, -5, -11, -55.

**Factors Of 55 And Other Numbers**

Here are the Highest common factors of 55 and other numbers.

Let’s start with what are the factors of 55 and 11

**Factors Of 55 And 36**

The factors for 55 and 36 are 1, 5, 11, 55 and 1, 2, 3, 4, 6, 9, 12, 18, 36

- 55 factors – 1, 5, 11, 55
- 36 factors – 1, 2, 3, 4, 6, 9, 12, 18, 36

HCF of 55 and 36 is 1

**Factors Of 55 And 72**

The factors for 55 and 72 are 1, 5, 11, 55 and 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

- 55 factors – 1, 5, 11, 55
- 72 factors – 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

HCF of 55 and 72 is 1

**Factors Of 55 And 75**

The factors for 55 and 75 are 1, 5, 11, 55 and 1, 3, 5, 15, 25, 75

- 55 factors – 1, 5, 11, 55
- 75 factors – 1, 3, 5, 15, 25, 75

HCF of 55 and 75 is 5

**Factors Of 55 And 80**

The factors for 55 and 80 are 1, 5, 11, 55 and 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

- 55 factors – 1, 5, 11, 55
- 80 factors – 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

HCF of 55 and 80 is 1

**Factors Of 55 And 100**

The factors for 55 and 100 are 1, 5, 11, 55 and 1, 2, 4, 5, 10, 20, 25, 50, 100

- 55 factors – 1, 5, 11, 55
- 100 factors – 1, 2, 4, 5, 10, 20, 25, 50, 100

HCF of 55 and 100 is 5

**Common Factors Of 55 And Other Numbers**

Here are the common factors of 55 and other numbers.

**Common Factors Of 55 And 80**

The factors for 55 and 80 are 1, 5, 11, 55 and 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

- 55 factors – 1, 5, 11, 55
- 80 factors – 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

The common factor of 55 and 80 is 5.

**Common Factors Of 55 And 88**

The factors for 55 and 88 are1, 5, 11, 55 and 1, 2, 4, 8, 11, 22, 44, 88

- 55 factors – 1, 5, 11, 55
- 88 factors – 1, 2, 4, 8, 11, 22, 44, 88

The common factor of 55 and 88 is 11.

**Common Factors Of 55 And 100**

The factors for 55 and 100 are 1, 5, 11, 55 and 1, 2, 4, 5, 10, 20, 25, 50, 100

- 55 factors – 1, 5, 11, 55
- 100 factors – 1, 2, 4, 5, 10, 20, 25, 50, 100

The common factor of 55 and 100 is 5

**Common Factors Of 55 And 115**

The factors for 55 and 115 are 1, 5, 11, 55 and 1, 5, 23 and 115

- 55 factors – 1, 5, 11, 55
- 115 factors – 1, 5, 23 and 115

The common factor of 55 and 115 is 5

**Common Factors Of 55 And 145**

The factors for 55 and 145 are 1, 5, 11, 55 and 1, 5, 29, 145

- 55 factors – 1, 5, 11, 55
- 145 factors – 1, 5, 29, 145

The common factor of 55 and 145 is 5

**Common Factors Of 55 And 155**

The factors for 55 and 155 are 1, 5, 11, 55 and 1, 5, 31, 155

- 55 factors – 1, 5, 11, 55
- 155 factors – 1, 5, 31, 155

The common factor of 55 and 155 is 5

**Common Factors Of 55 And 185**

The factors for 55 and 185 are 1, 5, 11, 55 and 1, 5, 37, 185

- 55 factors – 1, 5, 11, 55
- 185 factors – 1, 5, 37, 185

The common factor of 55 and 185 is 5

**Common Factors Of 55 And 242**

The factors for 55 and 242 are 1, 5, 11, 55 and 1, 2, 11, 22, 121, 242

- 55 factors – 1, 5, 11, 55
- 242 factors – 1, 2, 11, 22, 121, 242

The common factor of 55 and 242 is 11

All factors for the numbers can be seen here on Factorsweb

**FAQ**

**Why Is 55 A Prime Number?**

No, 55 is not a Prime Numer the reason is because 55 is divisible by 1, 5, 11, and 55.

**What Two Numbers Make 55?**

The two numbers that make 55 are 5 and 11, 5 x 11 = 55

**What Are The Multiples Of 55?**

The first ten multiples of 55 are 55, 110, 165, 220, 275, 330, 385, 440, 495 and 550

**What Is The GCF For 55?**

To calculate the GCF (Greatest Common Factor) of 55 and 100, we need to factor each number (factors of 55 = 1, 5, 11, 55; factors of 100 = 1, 2, 4, 5, 10, 20, 25, 50, 100) and choose the greatest factor that exactly divides both 55 and 100, i.e., **5**.

**What Are The Prime Factors To 55 And 11?**

11 is a prime number which is the prime factor of 55 as well. 11 is multiplied with the other prime factor of 55 which is **5** to get the LCM.

**Conclusion**

Today we gained knowledge of factors of 55 and also prime factors for 55, factors for 55 in pairs, factors for -55, and factor numbers of 55. As you have read the above article you can easily calculate and answer the question of what are factors of 55.