What is the Greatest Common Factor of 747 and 757?

Greatest common factor (GCF) of 747 and 757 is 1.

GCF(747,757) = 1

We will now calculate the prime factors of 747 and 757, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 747 and 757.

How to find the GCF of 747 and 757?

We will first find the prime factorization of 747 and 757. After we will calculate the factors of 747 and 757 and find the biggest common factor number .

Step-1: Prime Factorization of 747

Prime factors of 747 are 3, 83. Prime factorization of 747 in exponential form is:

747 = 3² × 83¹

Step-2: Prime Factorization of 757

Prime factors of 757 are 757. Prime factorization of 757 in exponential form is:

757 = 757¹

Step-3: Factors of 747

List of positive integer factors of 747 that divides 747 without a remainder.

1, 3, 9, 83, 249

Step-4: Factors of 757

List of positive integer factors of 757 that divides 747 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 747 and 757. The biggest common factor number is the GCF number.
So the greatest common factor 747 and 757 is 1.

Also check out the Least Common Multiple of 747 and 757