What is the Greatest Common Factor of 55715 and 55720?

Greatest common factor (GCF) of 55715 and 55720 is 5.

GCF(55715,55720) = 5

We will now calculate the prime factors of 55715 and 55720, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55715 and 55720.

How to find the GCF of 55715 and 55720?

We will first find the prime factorization of 55715 and 55720. After we will calculate the factors of 55715 and 55720 and find the biggest common factor number .

Step-1: Prime Factorization of 55715

Prime factors of 55715 are 5, 11, 1013. Prime factorization of 55715 in exponential form is:

55715 = 5¹ × 11¹ × 1013¹

Step-2: Prime Factorization of 55720

Prime factors of 55720 are 2, 5, 7, 199. Prime factorization of 55720 in exponential form is:

55720 = 2³ × 5¹ × 7¹ × 199¹

Step-3: Factors of 55715

List of positive integer factors of 55715 that divides 55715 without a remainder.

1, 5, 11, 55, 1013, 5065, 11143

Step-4: Factors of 55720

List of positive integer factors of 55720 that divides 55715 without a remainder.

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1393, 1592, 1990, 2786, 3980, 5572, 6965, 7960, 11144, 13930, 27860

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55715 and 55720. The biggest common factor number is the GCF number.
So the greatest common factor 55715 and 55720 is 5.

Also check out the Least Common Multiple of 55715 and 55720