What is the Greatest Common Factor of 87761 and 87768?

Greatest common factor (GCF) of 87761 and 87768 is 1.

GCF(87761,87768) = 1

We will now calculate the prime factors of 87761 and 87768, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87761 and 87768.

How to find the GCF of 87761 and 87768?

We will first find the prime factorization of 87761 and 87768. After we will calculate the factors of 87761 and 87768 and find the biggest common factor number .

Step-1: Prime Factorization of 87761

Prime factors of 87761 are 19, 31, 149. Prime factorization of 87761 in exponential form is:

87761 = 19¹ × 31¹ × 149¹

Step-2: Prime Factorization of 87768

Prime factors of 87768 are 2, 3, 23, 53. Prime factorization of 87768 in exponential form is:

87768 = 2³ × 3² × 23¹ × 53¹

Step-3: Factors of 87761

List of positive integer factors of 87761 that divides 87761 without a remainder.

1, 19, 31, 149, 589, 2831, 4619

Step-4: Factors of 87768

List of positive integer factors of 87768 that divides 87761 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 53, 69, 72, 92, 106, 138, 159, 184, 207, 212, 276, 318, 414, 424, 477, 552, 636, 828, 954, 1219, 1272, 1656, 1908, 2438, 3657, 3816, 4876, 7314, 9752, 10971, 14628, 21942, 29256, 43884

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87761 and 87768. The biggest common factor number is the GCF number.
So the greatest common factor 87761 and 87768 is 1.

Also check out the Least Common Multiple of 87761 and 87768