What is the Greatest Common Factor of 81950 and 81958?

Greatest common factor (GCF) of 81950 and 81958 is 2.

GCF(81950,81958) = 2

We will now calculate the prime factors of 81950 and 81958, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81950 and 81958.

How to find the GCF of 81950 and 81958?

We will first find the prime factorization of 81950 and 81958. After we will calculate the factors of 81950 and 81958 and find the biggest common factor number .

Step-1: Prime Factorization of 81950

Prime factors of 81950 are 2, 5, 11, 149. Prime factorization of 81950 in exponential form is:

81950 = 2¹ × 5² × 11¹ × 149¹

Step-2: Prime Factorization of 81958

Prime factors of 81958 are 2, 43, 953. Prime factorization of 81958 in exponential form is:

81958 = 2¹ × 43¹ × 953¹

Step-3: Factors of 81950

List of positive integer factors of 81950 that divides 81950 without a remainder.

1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 149, 275, 298, 550, 745, 1490, 1639, 3278, 3725, 7450, 8195, 16390, 40975

Step-4: Factors of 81958

List of positive integer factors of 81958 that divides 81950 without a remainder.

1, 2, 43, 86, 953, 1906, 40979

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81950 and 81958. The biggest common factor number is the GCF number.
So the greatest common factor 81950 and 81958 is 2.

Also check out the Least Common Multiple of 81950 and 81958