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What is the Greatest Common Factor of 28966 and 28970?

Greatest common factor (GCF) of 28966 and 28970 is 2.

GCF(28966,28970) = 2

We will now calculate the prime factors of 28966 and 28970, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28966 and 28970.

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How to find the GCF of 28966 and 28970?

We will first find the prime factorization of 28966 and 28970. After we will calculate the factors of 28966 and 28970 and find the biggest common factor number .

Step-1: Prime Factorization of 28966

Prime factors of 28966 are 2, 7, 2069. Prime factorization of 28966 in exponential form is:

28966 = 21 × 71 × 20691

Step-2: Prime Factorization of 28970

Prime factors of 28970 are 2, 5, 2897. Prime factorization of 28970 in exponential form is:

28970 = 21 × 51 × 28971

Step-3: Factors of 28966

List of positive integer factors of 28966 that divides 28966 without a remainder.

1, 2, 7, 14, 2069, 4138, 14483

Step-4: Factors of 28970

List of positive integer factors of 28970 that divides 28966 without a remainder.

1, 2, 5, 10, 2897, 5794, 14485

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28966 and 28970. The biggest common factor number is the GCF number.
So the greatest common factor 28966 and 28970 is 2.

Also check out the Least Common Multiple of 28966 and 28970