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What is the Greatest Common Factor of 55 and 59?

Greatest common factor (GCF) of 55 and 59 is 1.

GCF(55,59) = 1

We will now calculate the prime factors of 55 and 59, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55 and 59.

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How to find the GCF of 55 and 59?

We will first find the prime factorization of 55 and 59. After we will calculate the factors of 55 and 59 and find the biggest common factor number .

Step-1: Prime Factorization of 55

Prime factors of 55 are 5, 11. Prime factorization of 55 in exponential form is:

55 = 51 × 111

Step-2: Prime Factorization of 59

Prime factors of 59 are 59. Prime factorization of 59 in exponential form is:

59 = 591

Step-3: Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1, 5, 11

Step-4: Factors of 59

List of positive integer factors of 59 that divides 55 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55 and 59. The biggest common factor number is the GCF number.
So the greatest common factor 55 and 59 is 1.

Also check out the Least Common Multiple of 55 and 59

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