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What is the Greatest Common Factor of 27962 and 27978?

Greatest common factor (GCF) of 27962 and 27978 is 2.

GCF(27962,27978) = 2

We will now calculate the prime factors of 27962 and 27978, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27962 and 27978.

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How to find the GCF of 27962 and 27978?

We will first find the prime factorization of 27962 and 27978. After we will calculate the factors of 27962 and 27978 and find the biggest common factor number .

Step-1: Prime Factorization of 27962

Prime factors of 27962 are 2, 11, 31, 41. Prime factorization of 27962 in exponential form is:

27962 = 21 × 111 × 311 × 411

Step-2: Prime Factorization of 27978

Prime factors of 27978 are 2, 3, 4663. Prime factorization of 27978 in exponential form is:

27978 = 21 × 31 × 46631

Step-3: Factors of 27962

List of positive integer factors of 27962 that divides 27962 without a remainder.

1, 2, 11, 22, 31, 41, 62, 82, 341, 451, 682, 902, 1271, 2542, 13981

Step-4: Factors of 27978

List of positive integer factors of 27978 that divides 27962 without a remainder.

1, 2, 3, 6, 4663, 9326, 13989

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27962 and 27978. The biggest common factor number is the GCF number.
So the greatest common factor 27962 and 27978 is 2.

Also check out the Least Common Multiple of 27962 and 27978