What is the Greatest Common Factor of 61645 and 61650?

Greatest common factor (GCF) of 61645 and 61650 is 5.

GCF(61645,61650) = 5

We will now calculate the prime factors of 61645 and 61650, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61645 and 61650.

How to find the GCF of 61645 and 61650?

We will first find the prime factorization of 61645 and 61650. After we will calculate the factors of 61645 and 61650 and find the biggest common factor number .

Step-1: Prime Factorization of 61645

Prime factors of 61645 are 5, 12329. Prime factorization of 61645 in exponential form is:

61645 = 5¹ × 12329¹

Step-2: Prime Factorization of 61650

Prime factors of 61650 are 2, 3, 5, 137. Prime factorization of 61650 in exponential form is:

61650 = 2¹ × 3² × 5² × 137¹

Step-3: Factors of 61645

List of positive integer factors of 61645 that divides 61645 without a remainder.

1, 5, 12329

Step-4: Factors of 61650

List of positive integer factors of 61650 that divides 61645 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 137, 150, 225, 274, 411, 450, 685, 822, 1233, 1370, 2055, 2466, 3425, 4110, 6165, 6850, 10275, 12330, 20550, 30825

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61645 and 61650. The biggest common factor number is the GCF number.
So the greatest common factor 61645 and 61650 is 5.

Also check out the Least Common Multiple of 61645 and 61650