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What is the Greatest Common Factor of 71538 and 71557?

Greatest common factor (GCF) of 71538 and 71557 is 1.

GCF(71538,71557) = 1

We will now calculate the prime factors of 71538 and 71557, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71538 and 71557.

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How to find the GCF of 71538 and 71557?

We will first find the prime factorization of 71538 and 71557. After we will calculate the factors of 71538 and 71557 and find the biggest common factor number .

Step-1: Prime Factorization of 71538

Prime factors of 71538 are 2, 3, 11923. Prime factorization of 71538 in exponential form is:

71538 = 21 × 31 × 119231

Step-2: Prime Factorization of 71557

Prime factors of 71557 are 163, 439. Prime factorization of 71557 in exponential form is:

71557 = 1631 × 4391

Step-3: Factors of 71538

List of positive integer factors of 71538 that divides 71538 without a remainder.

1, 2, 3, 6, 11923, 23846, 35769

Step-4: Factors of 71557

List of positive integer factors of 71557 that divides 71538 without a remainder.

1, 163, 439

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71538 and 71557. The biggest common factor number is the GCF number.
So the greatest common factor 71538 and 71557 is 1.

Also check out the Least Common Multiple of 71538 and 71557