What is the Greatest Common Factor of 68570 and 68585?

Greatest common factor (GCF) of 68570 and 68585 is 5.

GCF(68570,68585) = 5

We will now calculate the prime factors of 68570 and 68585, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68570 and 68585.

How to find the GCF of 68570 and 68585?

We will first find the prime factorization of 68570 and 68585. After we will calculate the factors of 68570 and 68585 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 68585

Prime factors of 68585 are 5, 11, 29, 43. Prime factorization of 68585 in exponential form is:

68585 = 5¹ × 11¹ × 29¹ × 43¹

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 68585

List of positive integer factors of 68585 that divides 68570 without a remainder.

1, 5, 11, 29, 43, 55, 145, 215, 319, 473, 1247, 1595, 2365, 6235, 13717

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68570 and 68585. The biggest common factor number is the GCF number.
So the greatest common factor 68570 and 68585 is 5.

Also check out the Least Common Multiple of 68570 and 68585