What is the Greatest Common Factor of 77765 and 77784?

Greatest common factor (GCF) of 77765 and 77784 is 1.

GCF(77765,77784) = 1

We will now calculate the prime factors of 77765 and 77784, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77765 and 77784.

How to find the GCF of 77765 and 77784?

We will first find the prime factorization of 77765 and 77784. After we will calculate the factors of 77765 and 77784 and find the biggest common factor number .

Step-1: Prime Factorization of 77765

Prime factors of 77765 are 5, 103, 151. Prime factorization of 77765 in exponential form is:

77765 = 5¹ × 103¹ × 151¹

Step-2: Prime Factorization of 77784

Prime factors of 77784 are 2, 3, 7, 463. Prime factorization of 77784 in exponential form is:

77784 = 2³ × 3¹ × 7¹ × 463¹

Step-3: Factors of 77765

List of positive integer factors of 77765 that divides 77765 without a remainder.

1, 5, 103, 151, 515, 755, 15553

Step-4: Factors of 77784

List of positive integer factors of 77784 that divides 77765 without a remainder.

1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 463, 926, 1389, 1852, 2778, 3241, 3704, 5556, 6482, 9723, 11112, 12964, 19446, 25928, 38892

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77765 and 77784. The biggest common factor number is the GCF number.
So the greatest common factor 77765 and 77784 is 1.

Also check out the Least Common Multiple of 77765 and 77784