What is the Greatest Common Factor of 71972 and 71977?

Greatest common factor (GCF) of 71972 and 71977 is 1.

GCF(71972,71977) = 1

We will now calculate the prime factors of 71972 and 71977, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71972 and 71977.

How to find the GCF of 71972 and 71977?

We will first find the prime factorization of 71972 and 71977. After we will calculate the factors of 71972 and 71977 and find the biggest common factor number .

Step-1: Prime Factorization of 71972

Prime factors of 71972 are 2, 19, 947. Prime factorization of 71972 in exponential form is:

71972 = 2² × 19¹ × 947¹

Step-2: Prime Factorization of 71977

Prime factors of 71977 are 167, 431. Prime factorization of 71977 in exponential form is:

71977 = 167¹ × 431¹

Step-3: Factors of 71972

List of positive integer factors of 71972 that divides 71972 without a remainder.

1, 2, 4, 19, 38, 76, 947, 1894, 3788, 17993, 35986

Step-4: Factors of 71977

List of positive integer factors of 71977 that divides 71972 without a remainder.

1, 167, 431

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71972 and 71977. The biggest common factor number is the GCF number.
So the greatest common factor 71972 and 71977 is 1.

Also check out the Least Common Multiple of 71972 and 71977