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What is the Greatest Common Factor of 7641 and 7657?

Greatest common factor (GCF) of 7641 and 7657 is 1.

GCF(7641,7657) = 1

We will now calculate the prime factors of 7641 and 7657, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7641 and 7657.

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How to find the GCF of 7641 and 7657?

We will first find the prime factorization of 7641 and 7657. After we will calculate the factors of 7641 and 7657 and find the biggest common factor number .

Step-1: Prime Factorization of 7641

Prime factors of 7641 are 3, 283. Prime factorization of 7641 in exponential form is:

7641 = 33 × 2831

Step-2: Prime Factorization of 7657

Prime factors of 7657 are 13, 19, 31. Prime factorization of 7657 in exponential form is:

7657 = 131 × 191 × 311

Step-3: Factors of 7641

List of positive integer factors of 7641 that divides 7641 without a remainder.

1, 3, 9, 27, 283, 849, 2547

Step-4: Factors of 7657

List of positive integer factors of 7657 that divides 7641 without a remainder.

1, 13, 19, 31, 247, 403, 589

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7641 and 7657. The biggest common factor number is the GCF number.
So the greatest common factor 7641 and 7657 is 1.

Also check out the Least Common Multiple of 7641 and 7657