What is the Greatest Common Factor of 2045 and 2065?

Greatest common factor (GCF) of 2045 and 2065 is 5.

GCF(2045,2065) = 5

We will now calculate the prime factors of 2045 and 2065, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2045 and 2065.

How to find the GCF of 2045 and 2065?

We will first find the prime factorization of 2045 and 2065. After we will calculate the factors of 2045 and 2065 and find the biggest common factor number .

Step-1: Prime Factorization of 2045

Prime factors of 2045 are 5, 409. Prime factorization of 2045 in exponential form is:

2045 = 5¹ × 409¹

Step-2: Prime Factorization of 2065

Prime factors of 2065 are 5, 7, 59. Prime factorization of 2065 in exponential form is:

2065 = 5¹ × 7¹ × 59¹

Step-3: Factors of 2045

List of positive integer factors of 2045 that divides 2045 without a remainder.

1, 5, 409

Step-4: Factors of 2065

List of positive integer factors of 2065 that divides 2045 without a remainder.

1, 5, 7, 35, 59, 295, 413

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2045 and 2065. The biggest common factor number is the GCF number.
So the greatest common factor 2045 and 2065 is 5.

Also check out the Least Common Multiple of 2045 and 2065