What is the Greatest Common Factor of 71009 and 71020?

Greatest common factor (GCF) of 71009 and 71020 is 1.

GCF(71009,71020) = 1

We will now calculate the prime factors of 71009 and 71020, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71009 and 71020.

How to find the GCF of 71009 and 71020?

We will first find the prime factorization of 71009 and 71020. After we will calculate the factors of 71009 and 71020 and find the biggest common factor number .

Step-1: Prime Factorization of 71009

Prime factors of 71009 are 17, 4177. Prime factorization of 71009 in exponential form is:

71009 = 17¹ × 4177¹

Step-2: Prime Factorization of 71020

Prime factors of 71020 are 2, 5, 53, 67. Prime factorization of 71020 in exponential form is:

71020 = 2² × 5¹ × 53¹ × 67¹

Step-3: Factors of 71009

List of positive integer factors of 71009 that divides 71009 without a remainder.

1, 17, 4177

Step-4: Factors of 71020

List of positive integer factors of 71020 that divides 71009 without a remainder.

1, 2, 4, 5, 10, 20, 53, 67, 106, 134, 212, 265, 268, 335, 530, 670, 1060, 1340, 3551, 7102, 14204, 17755, 35510

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71009 and 71020. The biggest common factor number is the GCF number.
So the greatest common factor 71009 and 71020 is 1.

Also check out the Least Common Multiple of 71009 and 71020