What is the Greatest Common Factor of 75770 and 75778?

Greatest common factor (GCF) of 75770 and 75778 is 2.

GCF(75770,75778) = 2

We will now calculate the prime factors of 75770 and 75778, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75770 and 75778.

How to find the GCF of 75770 and 75778?

We will first find the prime factorization of 75770 and 75778. After we will calculate the factors of 75770 and 75778 and find the biggest common factor number .

Step-1: Prime Factorization of 75770

Prime factors of 75770 are 2, 5, 7577. Prime factorization of 75770 in exponential form is:

75770 = 2¹ × 5¹ × 7577¹

Step-2: Prime Factorization of 75778

Prime factors of 75778 are 2, 37889. Prime factorization of 75778 in exponential form is:

75778 = 2¹ × 37889¹

Step-3: Factors of 75770

List of positive integer factors of 75770 that divides 75770 without a remainder.

1, 2, 5, 10, 7577, 15154, 37885

Step-4: Factors of 75778

List of positive integer factors of 75778 that divides 75770 without a remainder.

1, 2, 37889

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75770 and 75778. The biggest common factor number is the GCF number.
So the greatest common factor 75770 and 75778 is 2.

Also check out the Least Common Multiple of 75770 and 75778