What is the Greatest Common Factor of 16761 and 16781?

Greatest common factor (GCF) of 16761 and 16781 is 1.

GCF(16761,16781) = 1

We will now calculate the prime factors of 16761 and 16781, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16761 and 16781.

How to find the GCF of 16761 and 16781?

We will first find the prime factorization of 16761 and 16781. After we will calculate the factors of 16761 and 16781 and find the biggest common factor number .

Step-1: Prime Factorization of 16761

Prime factors of 16761 are 3, 37, 151. Prime factorization of 16761 in exponential form is:

16761 = 3¹ × 37¹ × 151¹

Step-2: Prime Factorization of 16781

Prime factors of 16781 are 97, 173. Prime factorization of 16781 in exponential form is:

16781 = 97¹ × 173¹

Step-3: Factors of 16761

List of positive integer factors of 16761 that divides 16761 without a remainder.

1, 3, 37, 111, 151, 453, 5587

Step-4: Factors of 16781

List of positive integer factors of 16781 that divides 16761 without a remainder.

1, 97, 173

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16761 and 16781. The biggest common factor number is the GCF number.
So the greatest common factor 16761 and 16781 is 1.

Also check out the Least Common Multiple of 16761 and 16781