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What is the Greatest Common Factor of 20773 and 20780?

Greatest common factor (GCF) of 20773 and 20780 is 1.

GCF(20773,20780) = 1

We will now calculate the prime factors of 20773 and 20780, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20773 and 20780.

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How to find the GCF of 20773 and 20780?

We will first find the prime factorization of 20773 and 20780. After we will calculate the factors of 20773 and 20780 and find the biggest common factor number .

Step-1: Prime Factorization of 20773

Prime factors of 20773 are 20773. Prime factorization of 20773 in exponential form is:

20773 = 207731

Step-2: Prime Factorization of 20780

Prime factors of 20780 are 2, 5, 1039. Prime factorization of 20780 in exponential form is:

20780 = 22 × 51 × 10391

Step-3: Factors of 20773

List of positive integer factors of 20773 that divides 20773 without a remainder.

1

Step-4: Factors of 20780

List of positive integer factors of 20780 that divides 20773 without a remainder.

1, 2, 4, 5, 10, 20, 1039, 2078, 4156, 5195, 10390

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20773 and 20780. The biggest common factor number is the GCF number.
So the greatest common factor 20773 and 20780 is 1.

Also check out the Least Common Multiple of 20773 and 20780