What is the Greatest Common Factor of 70570 and 70580?

Greatest common factor (GCF) of 70570 and 70580 is 10.

GCF(70570,70580) = 10

We will now calculate the prime factors of 70570 and 70580, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70570 and 70580.

How to find the GCF of 70570 and 70580?

We will first find the prime factorization of 70570 and 70580. After we will calculate the factors of 70570 and 70580 and find the biggest common factor number .

Step-1: Prime Factorization of 70570

Prime factors of 70570 are 2, 5, 7057. Prime factorization of 70570 in exponential form is:

70570 = 2¹ × 5¹ × 7057¹

Step-2: Prime Factorization of 70580

Prime factors of 70580 are 2, 5, 3529. Prime factorization of 70580 in exponential form is:

70580 = 2² × 5¹ × 3529¹

Step-3: Factors of 70570

List of positive integer factors of 70570 that divides 70570 without a remainder.

1, 2, 5, 10, 7057, 14114, 35285

Step-4: Factors of 70580

List of positive integer factors of 70580 that divides 70570 without a remainder.

1, 2, 4, 5, 10, 20, 3529, 7058, 14116, 17645, 35290

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70570 and 70580. The biggest common factor number is the GCF number.
So the greatest common factor 70570 and 70580 is 10.

Also check out the Least Common Multiple of 70570 and 70580