What is the Greatest Common Factor of 7781 and 7794?

Greatest common factor (GCF) of 7781 and 7794 is 1.

GCF(7781,7794) = 1

We will now calculate the prime factors of 7781 and 7794, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7781 and 7794.

How to find the GCF of 7781 and 7794?

We will first find the prime factorization of 7781 and 7794. After we will calculate the factors of 7781 and 7794 and find the biggest common factor number .

Step-1: Prime Factorization of 7781

Prime factors of 7781 are 31, 251. Prime factorization of 7781 in exponential form is:

7781 = 31¹ × 251¹

Step-2: Prime Factorization of 7794

Prime factors of 7794 are 2, 3, 433. Prime factorization of 7794 in exponential form is:

7794 = 2¹ × 3² × 433¹

Step-3: Factors of 7781

List of positive integer factors of 7781 that divides 7781 without a remainder.

1, 31, 251

Step-4: Factors of 7794

List of positive integer factors of 7794 that divides 7781 without a remainder.

1, 2, 3, 6, 9, 18, 433, 866, 1299, 2598, 3897

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7781 and 7794. The biggest common factor number is the GCF number.
So the greatest common factor 7781 and 7794 is 1.

Also check out the Least Common Multiple of 7781 and 7794