What is the Greatest Common Factor of 79965 and 79970?

Greatest common factor (GCF) of 79965 and 79970 is 5.

GCF(79965,79970) = 5

We will now calculate the prime factors of 79965 and 79970, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79965 and 79970.

How to find the GCF of 79965 and 79970?

We will first find the prime factorization of 79965 and 79970. After we will calculate the factors of 79965 and 79970 and find the biggest common factor number .

Step-1: Prime Factorization of 79965

Prime factors of 79965 are 3, 5, 1777. Prime factorization of 79965 in exponential form is:

79965 = 3² × 5¹ × 1777¹

Step-2: Prime Factorization of 79970

Prime factors of 79970 are 2, 5, 11, 727. Prime factorization of 79970 in exponential form is:

79970 = 2¹ × 5¹ × 11¹ × 727¹

Step-3: Factors of 79965

List of positive integer factors of 79965 that divides 79965 without a remainder.

1, 3, 5, 9, 15, 45, 1777, 5331, 8885, 15993, 26655

Step-4: Factors of 79970

List of positive integer factors of 79970 that divides 79965 without a remainder.

1, 2, 5, 10, 11, 22, 55, 110, 727, 1454, 3635, 7270, 7997, 15994, 39985

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79965 and 79970. The biggest common factor number is the GCF number.
So the greatest common factor 79965 and 79970 is 5.

Also check out the Least Common Multiple of 79965 and 79970