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What is the Greatest Common Factor of 42745 and 42761?

Greatest common factor (GCF) of 42745 and 42761 is 1.

GCF(42745,42761) = 1

We will now calculate the prime factors of 42745 and 42761, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42745 and 42761.

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How to find the GCF of 42745 and 42761?

We will first find the prime factorization of 42745 and 42761. After we will calculate the factors of 42745 and 42761 and find the biggest common factor number .

Step-1: Prime Factorization of 42745

Prime factors of 42745 are 5, 83, 103. Prime factorization of 42745 in exponential form is:

42745 = 51 × 831 × 1031

Step-2: Prime Factorization of 42761

Prime factors of 42761 are 61, 701. Prime factorization of 42761 in exponential form is:

42761 = 611 × 7011

Step-3: Factors of 42745

List of positive integer factors of 42745 that divides 42745 without a remainder.

1, 5, 83, 103, 415, 515, 8549

Step-4: Factors of 42761

List of positive integer factors of 42761 that divides 42745 without a remainder.

1, 61, 701

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42745 and 42761. The biggest common factor number is the GCF number.
So the greatest common factor 42745 and 42761 is 1.

Also check out the Least Common Multiple of 42745 and 42761