What is the Greatest Common Factor of 71957 and 71970?

Greatest common factor (GCF) of 71957 and 71970 is 1.

GCF(71957,71970) = 1

We will now calculate the prime factors of 71957 and 71970, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71957 and 71970.

How to find the GCF of 71957 and 71970?

We will first find the prime factorization of 71957 and 71970. After we will calculate the factors of 71957 and 71970 and find the biggest common factor number .

Step-1: Prime Factorization of 71957

Prime factors of 71957 are 47, 1531. Prime factorization of 71957 in exponential form is:

71957 = 47¹ × 1531¹

Step-2: Prime Factorization of 71970

Prime factors of 71970 are 2, 3, 5, 2399. Prime factorization of 71970 in exponential form is:

71970 = 2¹ × 3¹ × 5¹ × 2399¹

Step-3: Factors of 71957

List of positive integer factors of 71957 that divides 71957 without a remainder.

1, 47, 1531

Step-4: Factors of 71970

List of positive integer factors of 71970 that divides 71957 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 2399, 4798, 7197, 11995, 14394, 23990, 35985

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71957 and 71970. The biggest common factor number is the GCF number.
So the greatest common factor 71957 and 71970 is 1.

Also check out the Least Common Multiple of 71957 and 71970