# What is the Greatest Common Factor of 25 and 34?

Greatest common factor (GCF) of 25 and 34 is 1.

GCF(25,34) = 1

We will now calculate the prime factors of 25 and 34, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25 and 34.

GCF Calculator and
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## How to find the GCF of 25 and 34?

We will first find the prime factorization of 25 and 34. After we will calculate the factors of 25 and 34 and find the biggest common factor number .

### Step-1: Prime Factorization of 25

Prime factors of 25 are 5. Prime factorization of 25 in exponential form is:

25 = 52

### Step-2: Prime Factorization of 34

Prime factors of 34 are 2, 17. Prime factorization of 34 in exponential form is:

34 = 21 × 171

### Step-3: Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1, 5

### Step-4: Factors of 34

List of positive integer factors of 34 that divides 25 without a remainder.

1, 2, 17

#### Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25 and 34. The biggest common factor number is the GCF number.
So the greatest common factor 25 and 34 is 1.

Also check out the Least Common Multiple of 25 and 34

#### Related Greatest Common Factors of 34

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