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What is the Greatest Common Factor of 78768 and 78785?

Greatest common factor (GCF) of 78768 and 78785 is 1.

GCF(78768,78785) = 1

We will now calculate the prime factors of 78768 and 78785, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78768 and 78785.

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How to find the GCF of 78768 and 78785?

We will first find the prime factorization of 78768 and 78785. After we will calculate the factors of 78768 and 78785 and find the biggest common factor number .

Step-1: Prime Factorization of 78768

Prime factors of 78768 are 2, 3, 547. Prime factorization of 78768 in exponential form is:

78768 = 24 × 32 × 5471

Step-2: Prime Factorization of 78785

Prime factors of 78785 are 5, 7, 2251. Prime factorization of 78785 in exponential form is:

78785 = 51 × 71 × 22511

Step-3: Factors of 78768

List of positive integer factors of 78768 that divides 78768 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 547, 1094, 1641, 2188, 3282, 4376, 4923, 6564, 8752, 9846, 13128, 19692, 26256, 39384

Step-4: Factors of 78785

List of positive integer factors of 78785 that divides 78768 without a remainder.

1, 5, 7, 35, 2251, 11255, 15757

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78768 and 78785. The biggest common factor number is the GCF number.
So the greatest common factor 78768 and 78785 is 1.

Also check out the Least Common Multiple of 78768 and 78785