What is the Greatest Common Factor of 71972 and 71992?

Greatest common factor (GCF) of 71972 and 71992 is 4.

GCF(71972,71992) = 4

We will now calculate the prime factors of 71972 and 71992, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71972 and 71992.

How to find the GCF of 71972 and 71992?

We will first find the prime factorization of 71972 and 71992. After we will calculate the factors of 71972 and 71992 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 71992

Prime factors of 71992 are 2, 8999. Prime factorization of 71992 in exponential form is:

71992 = 2³ × 8999¹

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 71992

List of positive integer factors of 71992 that divides 71972 without a remainder.

1, 2, 4, 8, 8999, 17998, 35996

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71972 and 71992. The biggest common factor number is the GCF number.
So the greatest common factor 71972 and 71992 is 4.

Also check out the Least Common Multiple of 71972 and 71992