What is the Greatest Common Factor of 31559 and 31565?

Greatest common factor (GCF) of 31559 and 31565 is 1.

GCF(31559,31565) = 1

We will now calculate the prime factors of 31559 and 31565, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31559 and 31565.

How to find the GCF of 31559 and 31565?

We will first find the prime factorization of 31559 and 31565. After we will calculate the factors of 31559 and 31565 and find the biggest common factor number .

Step-1: Prime Factorization of 31559

Prime factors of 31559 are 11, 19, 151. Prime factorization of 31559 in exponential form is:

31559 = 11¹ × 19¹ × 151¹

Step-2: Prime Factorization of 31565

Prime factors of 31565 are 5, 59, 107. Prime factorization of 31565 in exponential form is:

31565 = 5¹ × 59¹ × 107¹

Step-3: Factors of 31559

List of positive integer factors of 31559 that divides 31559 without a remainder.

1, 11, 19, 151, 209, 1661, 2869

Step-4: Factors of 31565

List of positive integer factors of 31565 that divides 31559 without a remainder.

1, 5, 59, 107, 295, 535, 6313

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31559 and 31565. The biggest common factor number is the GCF number.
So the greatest common factor 31559 and 31565 is 1.

Also check out the Least Common Multiple of 31559 and 31565