What is the Greatest Common Factor of 3991 and 4010?

Greatest common factor (GCF) of 3991 and 4010 is 1.

GCF(3991,4010) = 1

We will now calculate the prime factors of 3991 and 4010, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3991 and 4010.

How to find the GCF of 3991 and 4010?

We will first find the prime factorization of 3991 and 4010. After we will calculate the factors of 3991 and 4010 and find the biggest common factor number .

Step-1: Prime Factorization of 3991

Prime factors of 3991 are 13, 307. Prime factorization of 3991 in exponential form is:

3991 = 13¹ × 307¹

Step-2: Prime Factorization of 4010

Prime factors of 4010 are 2, 5, 401. Prime factorization of 4010 in exponential form is:

4010 = 2¹ × 5¹ × 401¹

Step-3: Factors of 3991

List of positive integer factors of 3991 that divides 3991 without a remainder.

1, 13, 307

Step-4: Factors of 4010

List of positive integer factors of 4010 that divides 3991 without a remainder.

1, 2, 5, 10, 401, 802, 2005

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3991 and 4010. The biggest common factor number is the GCF number.
So the greatest common factor 3991 and 4010 is 1.

Also check out the Least Common Multiple of 3991 and 4010