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What is the Greatest Common Factor of 66890 and 66910?

Greatest common factor (GCF) of 66890 and 66910 is 10.

GCF(66890,66910) = 10

We will now calculate the prime factors of 66890 and 66910, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66890 and 66910.

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How to find the GCF of 66890 and 66910?

We will first find the prime factorization of 66890 and 66910. After we will calculate the factors of 66890 and 66910 and find the biggest common factor number .

Step-1: Prime Factorization of 66890

Prime factors of 66890 are 2, 5, 6689. Prime factorization of 66890 in exponential form is:

66890 = 21 × 51 × 66891

Step-2: Prime Factorization of 66910

Prime factors of 66910 are 2, 5, 6691. Prime factorization of 66910 in exponential form is:

66910 = 21 × 51 × 66911

Step-3: Factors of 66890

List of positive integer factors of 66890 that divides 66890 without a remainder.

1, 2, 5, 10, 6689, 13378, 33445

Step-4: Factors of 66910

List of positive integer factors of 66910 that divides 66890 without a remainder.

1, 2, 5, 10, 6691, 13382, 33455

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66890 and 66910. The biggest common factor number is the GCF number.
So the greatest common factor 66890 and 66910 is 10.

Also check out the Least Common Multiple of 66890 and 66910