What is the Greatest Common Factor of 77455 and 77465?

Greatest common factor (GCF) of 77455 and 77465 is 5.

GCF(77455,77465) = 5

We will now calculate the prime factors of 77455 and 77465, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77455 and 77465.

How to find the GCF of 77455 and 77465?

We will first find the prime factorization of 77455 and 77465. After we will calculate the factors of 77455 and 77465 and find the biggest common factor number .

Step-1: Prime Factorization of 77455

Prime factors of 77455 are 5, 7, 2213. Prime factorization of 77455 in exponential form is:

77455 = 5¹ × 7¹ × 2213¹

Step-2: Prime Factorization of 77465

Prime factors of 77465 are 5, 15493. Prime factorization of 77465 in exponential form is:

77465 = 5¹ × 15493¹

Step-3: Factors of 77455

List of positive integer factors of 77455 that divides 77455 without a remainder.

1, 5, 7, 35, 2213, 11065, 15491

Step-4: Factors of 77465

List of positive integer factors of 77465 that divides 77455 without a remainder.

1, 5, 15493

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77455 and 77465. The biggest common factor number is the GCF number.
So the greatest common factor 77455 and 77465 is 5.

Also check out the Least Common Multiple of 77455 and 77465