What is the Greatest Common Factor of 87661 and 87678?

Greatest common factor (GCF) of 87661 and 87678 is 1.

GCF(87661,87678) = 1

We will now calculate the prime factors of 87661 and 87678, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87661 and 87678.

How to find the GCF of 87661 and 87678?

We will first find the prime factorization of 87661 and 87678. After we will calculate the factors of 87661 and 87678 and find the biggest common factor number .

Step-1: Prime Factorization of 87661

Prime factors of 87661 are 7, 1789. Prime factorization of 87661 in exponential form is:

87661 = 7² × 1789¹

Step-2: Prime Factorization of 87678

Prime factors of 87678 are 2, 3, 4871. Prime factorization of 87678 in exponential form is:

87678 = 2¹ × 3² × 4871¹

Step-3: Factors of 87661

List of positive integer factors of 87661 that divides 87661 without a remainder.

1, 7, 49, 1789, 12523

Step-4: Factors of 87678

List of positive integer factors of 87678 that divides 87661 without a remainder.

1, 2, 3, 6, 9, 18, 4871, 9742, 14613, 29226, 43839

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87661 and 87678. The biggest common factor number is the GCF number.
So the greatest common factor 87661 and 87678 is 1.

Also check out the Least Common Multiple of 87661 and 87678