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What is the Greatest Common Factor of 77 and 94?

Greatest common factor (GCF) of 77 and 94 is 1.

GCF(77,94) = 1

We will now calculate the prime factors of 77 and 94, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77 and 94.

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How to find the GCF of 77 and 94?

We will first find the prime factorization of 77 and 94. After we will calculate the factors of 77 and 94 and find the biggest common factor number .

Step-1: Prime Factorization of 77

Prime factors of 77 are 7, 11. Prime factorization of 77 in exponential form is:

77 = 71 × 111

Step-2: Prime Factorization of 94

Prime factors of 94 are 2, 47. Prime factorization of 94 in exponential form is:

94 = 21 × 471

Step-3: Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1, 7, 11

Step-4: Factors of 94

List of positive integer factors of 94 that divides 77 without a remainder.

1, 2, 47

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77 and 94. The biggest common factor number is the GCF number.
So the greatest common factor 77 and 94 is 1.

Also check out the Least Common Multiple of 77 and 94

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