What is the Greatest Common Factor of 65305 and 65310?

Greatest common factor (GCF) of 65305 and 65310 is 5.

GCF(65305,65310) = 5

We will now calculate the prime factors of 65305 and 65310, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65305 and 65310.

How to find the GCF of 65305 and 65310?

We will first find the prime factorization of 65305 and 65310. After we will calculate the factors of 65305 and 65310 and find the biggest common factor number .

Step-1: Prime Factorization of 65305

Prime factors of 65305 are 5, 37, 353. Prime factorization of 65305 in exponential form is:

65305 = 5¹ × 37¹ × 353¹

Step-2: Prime Factorization of 65310

Prime factors of 65310 are 2, 3, 5, 7, 311. Prime factorization of 65310 in exponential form is:

65310 = 2¹ × 3¹ × 5¹ × 7¹ × 311¹

Step-3: Factors of 65305

List of positive integer factors of 65305 that divides 65305 without a remainder.

1, 5, 37, 185, 353, 1765, 13061

Step-4: Factors of 65310

List of positive integer factors of 65310 that divides 65305 without a remainder.

1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 311, 622, 933, 1555, 1866, 2177, 3110, 4354, 4665, 6531, 9330, 10885, 13062, 21770, 32655

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65305 and 65310. The biggest common factor number is the GCF number.
So the greatest common factor 65305 and 65310 is 5.

Also check out the Least Common Multiple of 65305 and 65310