What is the Greatest Common Factor of 68570 and 68590?

Greatest common factor (GCF) of 68570 and 68590 is 10.

GCF(68570,68590) = 10

We will now calculate the prime factors of 68570 and 68590, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68570 and 68590.

How to find the GCF of 68570 and 68590?

We will first find the prime factorization of 68570 and 68590. After we will calculate the factors of 68570 and 68590 and find the biggest common factor number .

Step-1: Prime Factorization of 68570

Prime factors of 68570 are 2, 5, 6857. Prime factorization of 68570 in exponential form is:

68570 = 2¹ × 5¹ × 6857¹

Step-2: Prime Factorization of 68590

Prime factors of 68590 are 2, 5, 19. Prime factorization of 68590 in exponential form is:

68590 = 2¹ × 5¹ × 19³

Step-3: Factors of 68570

List of positive integer factors of 68570 that divides 68570 without a remainder.

1, 2, 5, 10, 6857, 13714, 34285

Step-4: Factors of 68590

List of positive integer factors of 68590 that divides 68570 without a remainder.

1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 6859, 13718, 34295

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68570 and 68590. The biggest common factor number is the GCF number.
So the greatest common factor 68570 and 68590 is 10.

Also check out the Least Common Multiple of 68570 and 68590