What is the Greatest Common Factor of 78991 and 78998?

Greatest common factor (GCF) of 78991 and 78998 is 1.

GCF(78991,78998) = 1

We will now calculate the prime factors of 78991 and 78998, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78991 and 78998.

How to find the GCF of 78991 and 78998?

We will first find the prime factorization of 78991 and 78998. After we will calculate the factors of 78991 and 78998 and find the biggest common factor number .

Step-1: Prime Factorization of 78991

Prime factors of 78991 are 11, 43, 167. Prime factorization of 78991 in exponential form is:

78991 = 11¹ × 43¹ × 167¹

Step-2: Prime Factorization of 78998

Prime factors of 78998 are 2, 39499. Prime factorization of 78998 in exponential form is:

78998 = 2¹ × 39499¹

Step-3: Factors of 78991

List of positive integer factors of 78991 that divides 78991 without a remainder.

1, 11, 43, 167, 473, 1837, 7181

Step-4: Factors of 78998

List of positive integer factors of 78998 that divides 78991 without a remainder.

1, 2, 39499

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78991 and 78998. The biggest common factor number is the GCF number.
So the greatest common factor 78991 and 78998 is 1.

Also check out the Least Common Multiple of 78991 and 78998