What is the Greatest Common Factor of 85742 and 85761?

Greatest common factor (GCF) of 85742 and 85761 is 1.

GCF(85742,85761) = 1

We will now calculate the prime factors of 85742 and 85761, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85742 and 85761.

How to find the GCF of 85742 and 85761?

We will first find the prime factorization of 85742 and 85761. After we will calculate the factors of 85742 and 85761 and find the biggest common factor number .

Step-1: Prime Factorization of 85742

Prime factors of 85742 are 2, 43, 997. Prime factorization of 85742 in exponential form is:

85742 = 2¹ × 43¹ × 997¹

Step-2: Prime Factorization of 85761

Prime factors of 85761 are 3, 13, 733. Prime factorization of 85761 in exponential form is:

85761 = 3² × 13¹ × 733¹

Step-3: Factors of 85742

List of positive integer factors of 85742 that divides 85742 without a remainder.

1, 2, 43, 86, 997, 1994, 42871

Step-4: Factors of 85761

List of positive integer factors of 85761 that divides 85742 without a remainder.

1, 3, 9, 13, 39, 117, 733, 2199, 6597, 9529, 28587

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85742 and 85761. The biggest common factor number is the GCF number.
So the greatest common factor 85742 and 85761 is 1.

Also check out the Least Common Multiple of 85742 and 85761