What is the Greatest Common Factor of 67991 and 67997?

Greatest common factor (GCF) of 67991 and 67997 is 1.

GCF(67991,67997) = 1

We will now calculate the prime factors of 67991 and 67997, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67991 and 67997.

How to find the GCF of 67991 and 67997?

We will first find the prime factorization of 67991 and 67997. After we will calculate the factors of 67991 and 67997 and find the biggest common factor number .

Step-1: Prime Factorization of 67991

Prime factors of 67991 are 7, 11, 883. Prime factorization of 67991 in exponential form is:

67991 = 7¹ × 11¹ × 883¹

Step-2: Prime Factorization of 67997

Prime factors of 67997 are 97, 701. Prime factorization of 67997 in exponential form is:

67997 = 97¹ × 701¹

Step-3: Factors of 67991

List of positive integer factors of 67991 that divides 67991 without a remainder.

1, 7, 11, 77, 883, 6181, 9713

Step-4: Factors of 67997

List of positive integer factors of 67997 that divides 67991 without a remainder.

1, 97, 701

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67991 and 67997. The biggest common factor number is the GCF number.
So the greatest common factor 67991 and 67997 is 1.

Also check out the Least Common Multiple of 67991 and 67997