What is the Greatest Common Factor of 75831 and 75845?

Greatest common factor (GCF) of 75831 and 75845 is 7.

GCF(75831,75845) = 7

We will now calculate the prime factors of 75831 and 75845, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75831 and 75845.

How to find the GCF of 75831 and 75845?

We will first find the prime factorization of 75831 and 75845. After we will calculate the factors of 75831 and 75845 and find the biggest common factor number .

Step-1: Prime Factorization of 75831

Prime factors of 75831 are 3, 7, 23, 157. Prime factorization of 75831 in exponential form is:

75831 = 3¹ × 7¹ × 23¹ × 157¹

Step-2: Prime Factorization of 75845

Prime factors of 75845 are 5, 7, 11, 197. Prime factorization of 75845 in exponential form is:

75845 = 5¹ × 7¹ × 11¹ × 197¹

Step-3: Factors of 75831

List of positive integer factors of 75831 that divides 75831 without a remainder.

1, 3, 7, 21, 23, 69, 157, 161, 471, 483, 1099, 3297, 3611, 10833, 25277

Step-4: Factors of 75845

List of positive integer factors of 75845 that divides 75831 without a remainder.

1, 5, 7, 11, 35, 55, 77, 197, 385, 985, 1379, 2167, 6895, 10835, 15169

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75831 and 75845. The biggest common factor number is the GCF number.
So the greatest common factor 75831 and 75845 is 7.

Also check out the Least Common Multiple of 75831 and 75845