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What is the Greatest Common Factor of 7704 and 7721?

Greatest common factor (GCF) of 7704 and 7721 is 1.

GCF(7704,7721) = 1

We will now calculate the prime factors of 7704 and 7721, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7704 and 7721.

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How to find the GCF of 7704 and 7721?

We will first find the prime factorization of 7704 and 7721. After we will calculate the factors of 7704 and 7721 and find the biggest common factor number .

Step-1: Prime Factorization of 7704

Prime factors of 7704 are 2, 3, 107. Prime factorization of 7704 in exponential form is:

7704 = 23 × 32 × 1071

Step-2: Prime Factorization of 7721

Prime factors of 7721 are 7, 1103. Prime factorization of 7721 in exponential form is:

7721 = 71 × 11031

Step-3: Factors of 7704

List of positive integer factors of 7704 that divides 7704 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 107, 214, 321, 428, 642, 856, 963, 1284, 1926, 2568, 3852

Step-4: Factors of 7721

List of positive integer factors of 7721 that divides 7704 without a remainder.

1, 7, 1103

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7704 and 7721. The biggest common factor number is the GCF number.
So the greatest common factor 7704 and 7721 is 1.

Also check out the Least Common Multiple of 7704 and 7721