What is the Greatest Common Factor of 71770 and 71778?

Greatest common factor (GCF) of 71770 and 71778 is 2.

GCF(71770,71778) = 2

We will now calculate the prime factors of 71770 and 71778, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71770 and 71778.

How to find the GCF of 71770 and 71778?

We will first find the prime factorization of 71770 and 71778. After we will calculate the factors of 71770 and 71778 and find the biggest common factor number .

Step-1: Prime Factorization of 71770

Prime factors of 71770 are 2, 5, 7177. Prime factorization of 71770 in exponential form is:

71770 = 2¹ × 5¹ × 7177¹

Step-2: Prime Factorization of 71778

Prime factors of 71778 are 2, 3, 7, 1709. Prime factorization of 71778 in exponential form is:

71778 = 2¹ × 3¹ × 7¹ × 1709¹

Step-3: Factors of 71770

List of positive integer factors of 71770 that divides 71770 without a remainder.

1, 2, 5, 10, 7177, 14354, 35885

Step-4: Factors of 71778

List of positive integer factors of 71778 that divides 71770 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 1709, 3418, 5127, 10254, 11963, 23926, 35889

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71770 and 71778. The biggest common factor number is the GCF number.
So the greatest common factor 71770 and 71778 is 2.

Also check out the Least Common Multiple of 71770 and 71778