What is the Greatest Common Factor of 31542 and 31561?

Greatest common factor (GCF) of 31542 and 31561 is 1.

GCF(31542,31561) = 1

We will now calculate the prime factors of 31542 and 31561, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31542 and 31561.

How to find the GCF of 31542 and 31561?

We will first find the prime factorization of 31542 and 31561. After we will calculate the factors of 31542 and 31561 and find the biggest common factor number .

Step-1: Prime Factorization of 31542

Prime factors of 31542 are 2, 3, 7, 751. Prime factorization of 31542 in exponential form is:

31542 = 2¹ × 3¹ × 7¹ × 751¹

Step-2: Prime Factorization of 31561

Prime factors of 31561 are 37, 853. Prime factorization of 31561 in exponential form is:

31561 = 37¹ × 853¹

Step-3: Factors of 31542

List of positive integer factors of 31542 that divides 31542 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 751, 1502, 2253, 4506, 5257, 10514, 15771

Step-4: Factors of 31561

List of positive integer factors of 31561 that divides 31542 without a remainder.

1, 37, 853

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31542 and 31561. The biggest common factor number is the GCF number.
So the greatest common factor 31542 and 31561 is 1.

Also check out the Least Common Multiple of 31542 and 31561