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What is the Greatest Common Factor of 1 and 56?

Greatest common factor (GCF) of 1 and 56 is 1.

GCF(1,56) = 1

We will now calculate the prime factors of 1 and 56, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1 and 56.

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How to find the GCF of 1 and 56?

We will first find the prime factorization of 1 and 56. After we will calculate the factors of 1 and 56 and find the biggest common factor number .

Step-2: Prime Factorization of 56

Prime factors of 56 are 2, 7. Prime factorization of 56 in exponential form is:

56 = 23 × 71

Step-3: Factors of 1

List of positive integer factors of 1 that divides 1 without a remainder.

1

Step-4: Factors of 56

List of positive integer factors of 56 that divides 1 without a remainder.

1, 2, 4, 7, 8, 14, 28

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1 and 56. The biggest common factor number is the GCF number.
So the greatest common factor 1 and 56 is 1.

Also check out the Least Common Multiple of 1 and 56