What is the Greatest Common Factor of 77946 and 77960?

Greatest common factor (GCF) of 77946 and 77960 is 2.

GCF(77946,77960) = 2

We will now calculate the prime factors of 77946 and 77960, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77946 and 77960.

How to find the GCF of 77946 and 77960?

We will first find the prime factorization of 77946 and 77960. After we will calculate the factors of 77946 and 77960 and find the biggest common factor number .

Step-1: Prime Factorization of 77946

Prime factors of 77946 are 2, 3, 11, 1181. Prime factorization of 77946 in exponential form is:

77946 = 2¹ × 3¹ × 11¹ × 1181¹

Step-2: Prime Factorization of 77960

Prime factors of 77960 are 2, 5, 1949. Prime factorization of 77960 in exponential form is:

77960 = 2³ × 5¹ × 1949¹

Step-3: Factors of 77946

List of positive integer factors of 77946 that divides 77946 without a remainder.

1, 2, 3, 6, 11, 22, 33, 66, 1181, 2362, 3543, 7086, 12991, 25982, 38973

Step-4: Factors of 77960

List of positive integer factors of 77960 that divides 77946 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 1949, 3898, 7796, 9745, 15592, 19490, 38980

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77946 and 77960. The biggest common factor number is the GCF number.
So the greatest common factor 77946 and 77960 is 2.

Also check out the Least Common Multiple of 77946 and 77960