Knowing the factors of 51 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 51.

**What Are The Factors Of 51?**

1, 3, 17, 51 are factors of 51. 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 51 are 1, 3, 17, 51. Now

- 1(51➗1=51)
- 3(51➗3=17)
- 17(51➗17=3)
- 51(51➗51=1)

1, 3, 17, 51 are factors for 51.

After knowing what all the factors of 51 are let us know more about the 51 factors

**Prime Factors Of 51**

To know the all prime factors of 51, first, you should know the prime numbers up to 51. After that, we have to divide 51 by all prime numbers. Now, we will see the prime factors by factorization method.

- 51➗2 = 25.5
- 51➗3 = 17
- 51➗5 = 10.2
- 51➗7 = 7.28
- 51➗11 = 4.63
- 51➗13 = 3.92
- 51➗17 = 3
- 51➗19 = 2.68
- 51➗23 = 2.21
- 51➗29 = 1.75
- 51➗31 = 1.64
- 51➗37 =1.37
- 51➗41 = 1.24
- 51➗43 = 1.18
- 51➗47 = 1.08

So the prime factor for the number 51 are 3, and 17

**Factors Of 51 In Pairs**

The product of the number whose result will be 51, that number is nothing but the pair factors of 51.

So the pair factors of 51 are

- 1 and 51 (51➗1=51) &(51➗51=1)
- 3 and 17 (51➗3=17) &(51➗17=3)

**Factors Of -51**

The negative numbers of factors of 51 are called factors of -51.

Below You can see the numbers.

- -1(-51➗-1=-51)
- -3(-51➗-3=-17)
- -17(-51➗-17=-3)
- -51(-51➗-51=-1)

The Factors for -51 are -1, -3, -17, -51.

**Factors Of 51 And Other Numbers**

Here are the Highest common factors of 51 and other numbers.

**Factors Of 51 And 85**

The factors for 51 and 85 are 1, 3, 17, 51 and 1, 5, 17, 85

- 51 factors – 1, 3, 17, 51
- 85 factors – 1, 5, 17, 85

HCF of 51 and 85 is 17

**Factors Of 51 And 100**

The factors for 51 and 100 are 1, 3, 17, 51 and 1, 2, 4, 5, 10, 20, 25, 50, 100

- 51 factors – 1, 3, 17, 51
- 100 factors – 1, 2, 4, 5, 10, 20, 25, 50, 100

HCF of 51 and 100 is 1

**Factors Of 51 And 60**

The factors for 51 and 60 are 1, 3, 17, 51 and 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60

- 51 factors – 1, 3, 17, 51
- 60 factors – 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60

HCF of 51 and 60 is 3

**Factors Of 51 And 68**

The factors for 51 and 68 are 1, 3, 17, 51 and 1, 2, 4, 17, 34, 68

- 51 factors – 1, 3, 17, 51
- 68 factors – 1, 2, 4, 17, 34, 68

HCF of 51 and 68 is 17

**Factors Of 51 And 34**

The factors for 51 and 34 are 1, 3, 17, 51 and 1, 2, 17, 34

- 51 factors – 1, 3, 17, 51
- 34 factors – 1, 2, 17, 34

HCF of 51 and 34 is 17

**Factors Of 51 And 17**

The factors for 51 and 17 are 1, 3, 17, 51 and 1, 17

- 51 factors – 1, 3, 17, 51
- 17 factors – 1, 17

HCF of 51 and 17 is 17

**Factors Of 51 And 119**

The factors for 51 and 119 are 1, 3, 17, 51 and 1, 7, 17, 119

- 51 factors – 1, 3, 17, 51
- 119 factors – 1, 7, 17, 119

HCF of 51 and 119 is 17

**Common Factors Of 51 And Other Numbers**

Here are the common factors of 51 and other numbers.

**Common Factors Of 51 And 111**

The factors for 51 and 111 are 1, 3, 17, 51 and 1, 3, 37, 111

- 51 factors – 1, 3, 17, 51
- 111 factors – 1, 3, 37, 111

The common factor of 51 and 111 is 3

**Common Factors Of 51 And 183**

The factors for 51 and 183 are 1, 3, 17, 51 and 1, 3, 61, 183

- 51 factors – 1, 3, 17, 51
- 183 factors – 1, 3, 61, 183

The common factor of 51 and 183 is 3

**Common Factors Of 51 And 87**

The factors for 51 and 87 are 1, 3, 17, 51 and 1, 3, 29, 87

- 51 factors – 1, 3, 17, 51
- 87 factors – 1, 3, 29, 87

The common factor of 51 and 87 is 3

**Common Factors Of 51 And 69**

The factors for 51 and 69 are 1, 3, 17, 51 and 1, 3, 23, 69

- 51 factors – 1, 3, 17, 51
- 69 factors – 1, 3, 23, 69

The common factor of 51 and 69 is 3

**Common Factors Of 51 And 93**

The factors for 51 and 93 are 1, 3, 17, 51 and 1, 3, 31, 93

- 51 factors – 1, 3, 17, 51
- 93 factors – 1, 3, 31, 93

The common factor of 51 and 93 is 3

**Common Factors Of 51 And 21**

The factors for 51 and 21 are 1, 3, 17, 51 and 1, 3, 7, 21

- 51 factors – 1, 3, 17, 51
- 21 factors – 1, 3, 7, 21

The common factor of 51 and 21 is 3

**Common Factors Of 51 And 102**

The factors for 51 and 102 are 1, 3, 17, 51 and 1, 2, 3, 6, 17, 34, 51, 102

- 51 factors – 1, 3, 17, 51
- 102 factors – 1, 2, 3, 6, 17, 34, 51, 102

The common factor of 51 and 102 is 3 and 17

**Common Factors Of 51 And 85**

The factors for 51 and 85 are 1, 3, 17, 51 and 1, 5, 17, 85

- 51 factors – 1, 3, 17, 51
- 85 factors – 1, 5, 17, 85

The common factor of 51 and 85 is 17

**Factors Of 51 That Add Up To 14**

Factors Of 44 that add up to 7

The factors for 44 that add up to 7 are non but factors for -44 that add up to 7 are

-3 and -17

-3x (-17) = 51

-3 + (-17) = -14

All factors for the numbers can be seen here on Factorsweb

**FAQ**

**What Are Factors Pairs Of 51?**

The pair factors of 51 are 1, 51 and 3, 17.

1 and 51 (51➗1=51) &(51➗51=1)

3 and 17 (51➗3=17) &(51➗17=3)

**Is 51 A Prime Or Composite?**

51 is a composite number because it has 4 factors.

51 is not a prime number

**Is 51 A Factor Or A Multiple Of 3?**

Yes, 51 is a multiple of 3 as 3 x 17 = 51. The first 20 multiples of 3 are 3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60.

**What Are The Multiples 51?**

The first 10 multiples of 51 are 51, 102, 153, 204, 255, 306, 357, 408, 459 and 510.

**What Is The GCF Of 51?**

FAQs on GCF of 51 and 68

To calculate the GCF of 51 and 68, we need to factor each number (factors of 51 = **1, 3, 17, 51**; factors of 68 = 1, 2, 4, 17, 34, 68) and choose the greatest factor that exactly divides both 51 and 68, i.e., 17.

**How Many Prime Numbers Are There Between 1 And 51?**

There are **15** prime numbers from 1 to 50. They are 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47.

**Conclusion**

Today we gained knowledge of factors of 51 and also prime factors for 51, factors for 51 in pairs, factors for -51, and factor numbers of 51. As you have read the above article you can easily calculate and answer the question of what are factors of 51.