What is the Greatest Common Factor of 79885 and 79890?

Greatest common factor (GCF) of 79885 and 79890 is 5.

GCF(79885,79890) = 5

We will now calculate the prime factors of 79885 and 79890, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79885 and 79890.

How to find the GCF of 79885 and 79890?

We will first find the prime factorization of 79885 and 79890. After we will calculate the factors of 79885 and 79890 and find the biggest common factor number .

Step-1: Prime Factorization of 79885

Prime factors of 79885 are 5, 13, 1229. Prime factorization of 79885 in exponential form is:

79885 = 5¹ × 13¹ × 1229¹

Step-2: Prime Factorization of 79890

Prime factors of 79890 are 2, 3, 5, 2663. Prime factorization of 79890 in exponential form is:

79890 = 2¹ × 3¹ × 5¹ × 2663¹

Step-3: Factors of 79885

List of positive integer factors of 79885 that divides 79885 without a remainder.

1, 5, 13, 65, 1229, 6145, 15977

Step-4: Factors of 79890

List of positive integer factors of 79890 that divides 79885 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 2663, 5326, 7989, 13315, 15978, 26630, 39945

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79885 and 79890. The biggest common factor number is the GCF number.
So the greatest common factor 79885 and 79890 is 5.

Also check out the Least Common Multiple of 79885 and 79890