What is the Greatest Common Factor of 3775 and 3781?

Greatest common factor (GCF) of 3775 and 3781 is 1.

GCF(3775,3781) = 1

We will now calculate the prime factors of 3775 and 3781, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3775 and 3781.

How to find the GCF of 3775 and 3781?

We will first find the prime factorization of 3775 and 3781. After we will calculate the factors of 3775 and 3781 and find the biggest common factor number .

Step-1: Prime Factorization of 3775

Prime factors of 3775 are 5, 151. Prime factorization of 3775 in exponential form is:

3775 = 5² × 151¹

Step-2: Prime Factorization of 3781

Prime factors of 3781 are 19, 199. Prime factorization of 3781 in exponential form is:

3781 = 19¹ × 199¹

Step-3: Factors of 3775

List of positive integer factors of 3775 that divides 3775 without a remainder.

1, 5, 25, 151, 755

Step-4: Factors of 3781

List of positive integer factors of 3781 that divides 3775 without a remainder.

1, 19, 199

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3775 and 3781. The biggest common factor number is the GCF number.
So the greatest common factor 3775 and 3781 is 1.

Also check out the Least Common Multiple of 3775 and 3781