What is the Greatest Common Factor of 87731 and 87738?

Greatest common factor (GCF) of 87731 and 87738 is 7.

GCF(87731,87738) = 7

We will now calculate the prime factors of 87731 and 87738, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87731 and 87738.

How to find the GCF of 87731 and 87738?

We will first find the prime factorization of 87731 and 87738. After we will calculate the factors of 87731 and 87738 and find the biggest common factor number .

Step-1: Prime Factorization of 87731

Prime factors of 87731 are 7, 83, 151. Prime factorization of 87731 in exponential form is:

87731 = 7¹ × 83¹ × 151¹

Step-2: Prime Factorization of 87738

Prime factors of 87738 are 2, 3, 7, 2089. Prime factorization of 87738 in exponential form is:

87738 = 2¹ × 3¹ × 7¹ × 2089¹

Step-3: Factors of 87731

List of positive integer factors of 87731 that divides 87731 without a remainder.

1, 7, 83, 151, 581, 1057, 12533

Step-4: Factors of 87738

List of positive integer factors of 87738 that divides 87731 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 2089, 4178, 6267, 12534, 14623, 29246, 43869

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87731 and 87738. The biggest common factor number is the GCF number.
So the greatest common factor 87731 and 87738 is 7.

Also check out the Least Common Multiple of 87731 and 87738