What is the Greatest Common Factor of 7945 and 7960?

Greatest common factor (GCF) of 7945 and 7960 is 5.

GCF(7945,7960) = 5

We will now calculate the prime factors of 7945 and 7960, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7945 and 7960.

How to find the GCF of 7945 and 7960?

We will first find the prime factorization of 7945 and 7960. After we will calculate the factors of 7945 and 7960 and find the biggest common factor number .

Step-1: Prime Factorization of 7945

Prime factors of 7945 are 5, 7, 227. Prime factorization of 7945 in exponential form is:

7945 = 5¹ × 7¹ × 227¹

Step-2: Prime Factorization of 7960

Prime factors of 7960 are 2, 5, 199. Prime factorization of 7960 in exponential form is:

7960 = 2³ × 5¹ × 199¹

Step-3: Factors of 7945

List of positive integer factors of 7945 that divides 7945 without a remainder.

1, 5, 7, 35, 227, 1135, 1589

Step-4: Factors of 7960

List of positive integer factors of 7960 that divides 7945 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7945 and 7960. The biggest common factor number is the GCF number.
So the greatest common factor 7945 and 7960 is 5.

Also check out the Least Common Multiple of 7945 and 7960