What is the Greatest Common Factor of 42485 and 42505?

Greatest common factor (GCF) of 42485 and 42505 is 5.

GCF(42485,42505) = 5

We will now calculate the prime factors of 42485 and 42505, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42485 and 42505.

How to find the GCF of 42485 and 42505?

We will first find the prime factorization of 42485 and 42505. After we will calculate the factors of 42485 and 42505 and find the biggest common factor number .

Step-1: Prime Factorization of 42485

Prime factors of 42485 are 5, 29, 293. Prime factorization of 42485 in exponential form is:

42485 = 5¹ × 29¹ × 293¹

Step-2: Prime Factorization of 42505

Prime factors of 42505 are 5, 8501. Prime factorization of 42505 in exponential form is:

42505 = 5¹ × 8501¹

Step-3: Factors of 42485

List of positive integer factors of 42485 that divides 42485 without a remainder.

1, 5, 29, 145, 293, 1465, 8497

Step-4: Factors of 42505

List of positive integer factors of 42505 that divides 42485 without a remainder.

1, 5, 8501

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42485 and 42505. The biggest common factor number is the GCF number.
So the greatest common factor 42485 and 42505 is 5.

Also check out the Least Common Multiple of 42485 and 42505