What is the Greatest Common Factor of 31996 and 32015?

Greatest common factor (GCF) of 31996 and 32015 is 19.

GCF(31996,32015) = 19

We will now calculate the prime factors of 31996 and 32015, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31996 and 32015.

How to find the GCF of 31996 and 32015?

We will first find the prime factorization of 31996 and 32015. After we will calculate the factors of 31996 and 32015 and find the biggest common factor number .

Step-1: Prime Factorization of 31996

Prime factors of 31996 are 2, 19, 421. Prime factorization of 31996 in exponential form is:

31996 = 2² × 19¹ × 421¹

Step-2: Prime Factorization of 32015

Prime factors of 32015 are 5, 19, 337. Prime factorization of 32015 in exponential form is:

32015 = 5¹ × 19¹ × 337¹

Step-3: Factors of 31996

List of positive integer factors of 31996 that divides 31996 without a remainder.

1, 2, 4, 19, 38, 76, 421, 842, 1684, 7999, 15998

Step-4: Factors of 32015

List of positive integer factors of 32015 that divides 31996 without a remainder.

1, 5, 19, 95, 337, 1685, 6403

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31996 and 32015. The biggest common factor number is the GCF number.
So the greatest common factor 31996 and 32015 is 19.

Also check out the Least Common Multiple of 31996 and 32015