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What is the Greatest Common Factor of 42643 and 42649?

Greatest common factor (GCF) of 42643 and 42649 is 1.

GCF(42643,42649) = 1

We will now calculate the prime factors of 42643 and 42649, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42643 and 42649.

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How to find the GCF of 42643 and 42649?

We will first find the prime factorization of 42643 and 42649. After we will calculate the factors of 42643 and 42649 and find the biggest common factor number .

Step-1: Prime Factorization of 42643

Prime factors of 42643 are 42643. Prime factorization of 42643 in exponential form is:

42643 = 426431

Step-2: Prime Factorization of 42649

Prime factors of 42649 are 42649. Prime factorization of 42649 in exponential form is:

42649 = 426491

Step-3: Factors of 42643

List of positive integer factors of 42643 that divides 42643 without a remainder.

1

Step-4: Factors of 42649

List of positive integer factors of 42649 that divides 42643 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42643 and 42649. The biggest common factor number is the GCF number.
So the greatest common factor 42643 and 42649 is 1.

Also check out the Least Common Multiple of 42643 and 42649