What is the Greatest Common Factor of 7856 and 7862?

Greatest common factor (GCF) of 7856 and 7862 is 2.

GCF(7856,7862) = 2

We will now calculate the prime factors of 7856 and 7862, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7856 and 7862.

How to find the GCF of 7856 and 7862?

We will first find the prime factorization of 7856 and 7862. After we will calculate the factors of 7856 and 7862 and find the biggest common factor number .

Step-1: Prime Factorization of 7856

Prime factors of 7856 are 2, 491. Prime factorization of 7856 in exponential form is:

7856 = 2⁴ × 491¹

Step-2: Prime Factorization of 7862

Prime factors of 7862 are 2, 3931. Prime factorization of 7862 in exponential form is:

7862 = 2¹ × 3931¹

Step-3: Factors of 7856

List of positive integer factors of 7856 that divides 7856 without a remainder.

1, 2, 4, 8, 16, 491, 982, 1964, 3928

Step-4: Factors of 7862

List of positive integer factors of 7862 that divides 7856 without a remainder.

1, 2, 3931

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7856 and 7862. The biggest common factor number is the GCF number.
So the greatest common factor 7856 and 7862 is 2.

Also check out the Least Common Multiple of 7856 and 7862