What is the Greatest Common Factor of 79780 and 79799?

Greatest common factor (GCF) of 79780 and 79799 is 1.

GCF(79780,79799) = 1

We will now calculate the prime factors of 79780 and 79799, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79780 and 79799.

How to find the GCF of 79780 and 79799?

We will first find the prime factorization of 79780 and 79799. After we will calculate the factors of 79780 and 79799 and find the biggest common factor number .

Step-1: Prime Factorization of 79780

Prime factors of 79780 are 2, 5, 3989. Prime factorization of 79780 in exponential form is:

79780 = 2² × 5¹ × 3989¹

Step-2: Prime Factorization of 79799

Prime factors of 79799 are 199, 401. Prime factorization of 79799 in exponential form is:

79799 = 199¹ × 401¹

Step-3: Factors of 79780

List of positive integer factors of 79780 that divides 79780 without a remainder.

1, 2, 4, 5, 10, 20, 3989, 7978, 15956, 19945, 39890

Step-4: Factors of 79799

List of positive integer factors of 79799 that divides 79780 without a remainder.

1, 199, 401

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79780 and 79799. The biggest common factor number is the GCF number.
So the greatest common factor 79780 and 79799 is 1.

Also check out the Least Common Multiple of 79780 and 79799