What is the Greatest Common Factor of 75978 and 75986?

Greatest common factor (GCF) of 75978 and 75986 is 2.

GCF(75978,75986) = 2

We will now calculate the prime factors of 75978 and 75986, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75978 and 75986.

How to find the GCF of 75978 and 75986?

We will first find the prime factorization of 75978 and 75986. After we will calculate the factors of 75978 and 75986 and find the biggest common factor number .

Step-1: Prime Factorization of 75978

Prime factors of 75978 are 2, 3, 7, 67. Prime factorization of 75978 in exponential form is:

75978 = 2¹ × 3⁴ × 7¹ × 67¹

Step-2: Prime Factorization of 75986

Prime factors of 75986 are 2, 37993. Prime factorization of 75986 in exponential form is:

75986 = 2¹ × 37993¹

Step-3: Factors of 75978

List of positive integer factors of 75978 that divides 75978 without a remainder.

1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 67, 81, 126, 134, 162, 189, 201, 378, 402, 469, 567, 603, 938, 1134, 1206, 1407, 1809, 2814, 3618, 4221, 5427, 8442, 10854, 12663, 25326, 37989

Step-4: Factors of 75986

List of positive integer factors of 75986 that divides 75978 without a remainder.

1, 2, 37993

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75978 and 75986. The biggest common factor number is the GCF number.
So the greatest common factor 75978 and 75986 is 2.

Also check out the Least Common Multiple of 75978 and 75986