What is the Greatest Common Factor of 15738 and 15757?

Greatest common factor (GCF) of 15738 and 15757 is 1.

GCF(15738,15757) = 1

We will now calculate the prime factors of 15738 and 15757, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15738 and 15757.

How to find the GCF of 15738 and 15757?

We will first find the prime factorization of 15738 and 15757. After we will calculate the factors of 15738 and 15757 and find the biggest common factor number .

Step-1: Prime Factorization of 15738

Prime factors of 15738 are 2, 3, 43, 61. Prime factorization of 15738 in exponential form is:

15738 = 2¹ × 3¹ × 43¹ × 61¹

Step-2: Prime Factorization of 15757

Prime factors of 15757 are 7, 2251. Prime factorization of 15757 in exponential form is:

15757 = 7¹ × 2251¹

Step-3: Factors of 15738

List of positive integer factors of 15738 that divides 15738 without a remainder.

1, 2, 3, 6, 43, 61, 86, 122, 129, 183, 258, 366, 2623, 5246, 7869

Step-4: Factors of 15757

List of positive integer factors of 15757 that divides 15738 without a remainder.

1, 7, 2251

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15738 and 15757. The biggest common factor number is the GCF number.
So the greatest common factor 15738 and 15757 is 1.

Also check out the Least Common Multiple of 15738 and 15757