What is the Greatest Common Factor of 65645 and 65650?

Greatest common factor (GCF) of 65645 and 65650 is 5.

GCF(65645,65650) = 5

We will now calculate the prime factors of 65645 and 65650, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65645 and 65650.

How to find the GCF of 65645 and 65650?

We will first find the prime factorization of 65645 and 65650. After we will calculate the factors of 65645 and 65650 and find the biggest common factor number .

Step-1: Prime Factorization of 65645

Prime factors of 65645 are 5, 19, 691. Prime factorization of 65645 in exponential form is:

65645 = 5¹ × 19¹ × 691¹

Step-2: Prime Factorization of 65650

Prime factors of 65650 are 2, 5, 13, 101. Prime factorization of 65650 in exponential form is:

65650 = 2¹ × 5² × 13¹ × 101¹

Step-3: Factors of 65645

List of positive integer factors of 65645 that divides 65645 without a remainder.

1, 5, 19, 95, 691, 3455, 13129

Step-4: Factors of 65650

List of positive integer factors of 65650 that divides 65645 without a remainder.

1, 2, 5, 10, 13, 25, 26, 50, 65, 101, 130, 202, 325, 505, 650, 1010, 1313, 2525, 2626, 5050, 6565, 13130, 32825

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65645 and 65650. The biggest common factor number is the GCF number.
So the greatest common factor 65645 and 65650 is 5.

Also check out the Least Common Multiple of 65645 and 65650