What is the Greatest Common Factor of 87770 and 87785?

Greatest common factor (GCF) of 87770 and 87785 is 5.

GCF(87770,87785) = 5

We will now calculate the prime factors of 87770 and 87785, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87770 and 87785.

How to find the GCF of 87770 and 87785?

We will first find the prime factorization of 87770 and 87785. After we will calculate the factors of 87770 and 87785 and find the biggest common factor number .

Step-1: Prime Factorization of 87770

Prime factors of 87770 are 2, 5, 67, 131. Prime factorization of 87770 in exponential form is:

87770 = 2¹ × 5¹ × 67¹ × 131¹

Step-2: Prime Factorization of 87785

Prime factors of 87785 are 5, 97, 181. Prime factorization of 87785 in exponential form is:

87785 = 5¹ × 97¹ × 181¹

Step-3: Factors of 87770

List of positive integer factors of 87770 that divides 87770 without a remainder.

1, 2, 5, 10, 67, 131, 134, 262, 335, 655, 670, 1310, 8777, 17554, 43885

Step-4: Factors of 87785

List of positive integer factors of 87785 that divides 87770 without a remainder.

1, 5, 97, 181, 485, 905, 17557

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87770 and 87785. The biggest common factor number is the GCF number.
So the greatest common factor 87770 and 87785 is 5.

Also check out the Least Common Multiple of 87770 and 87785