What is the Greatest Common Factor of 45640 and 45647?

Greatest common factor (GCF) of 45640 and 45647 is 7.

GCF(45640,45647) = 7

We will now calculate the prime factors of 45640 and 45647, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 45640 and 45647.

How to find the GCF of 45640 and 45647?

We will first find the prime factorization of 45640 and 45647. After we will calculate the factors of 45640 and 45647 and find the biggest common factor number .

Step-1: Prime Factorization of 45640

Prime factors of 45640 are 2, 5, 7, 163. Prime factorization of 45640 in exponential form is:

45640 = 2³ × 5¹ × 7¹ × 163¹

Step-2: Prime Factorization of 45647

Prime factors of 45647 are 7, 6521. Prime factorization of 45647 in exponential form is:

45647 = 7¹ × 6521¹

Step-3: Factors of 45640

List of positive integer factors of 45640 that divides 45640 without a remainder.

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1630, 2282, 3260, 4564, 5705, 6520, 9128, 11410, 22820

Step-4: Factors of 45647

List of positive integer factors of 45647 that divides 45640 without a remainder.

1, 7, 6521

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 45640 and 45647. The biggest common factor number is the GCF number.
So the greatest common factor 45640 and 45647 is 7.

Also check out the Least Common Multiple of 45640 and 45647