What is the Greatest Common Factor of 87770 and 87786?

Greatest common factor (GCF) of 87770 and 87786 is 2.

GCF(87770,87786) = 2

We will now calculate the prime factors of 87770 and 87786, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87770 and 87786.

How to find the GCF of 87770 and 87786?

We will first find the prime factorization of 87770 and 87786. After we will calculate the factors of 87770 and 87786 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 87786

Prime factors of 87786 are 2, 3, 4877. Prime factorization of 87786 in exponential form is:

87786 = 2¹ × 3² × 4877¹

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 87786

List of positive integer factors of 87786 that divides 87770 without a remainder.

1, 2, 3, 6, 9, 18, 4877, 9754, 14631, 29262, 43893

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87770 and 87786. The biggest common factor number is the GCF number.
So the greatest common factor 87770 and 87786 is 2.

Also check out the Least Common Multiple of 87770 and 87786