What is the Greatest Common Factor of 77070 and 77085?

Greatest common factor (GCF) of 77070 and 77085 is 15.

GCF(77070,77085) = 15

We will now calculate the prime factors of 77070 and 77085, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77070 and 77085.

How to find the GCF of 77070 and 77085?

We will first find the prime factorization of 77070 and 77085. After we will calculate the factors of 77070 and 77085 and find the biggest common factor number .

Step-1: Prime Factorization of 77070

Prime factors of 77070 are 2, 3, 5, 7, 367. Prime factorization of 77070 in exponential form is:

77070 = 2¹ × 3¹ × 5¹ × 7¹ × 367¹

Step-2: Prime Factorization of 77085

Prime factors of 77085 are 3, 5, 571. Prime factorization of 77085 in exponential form is:

77085 = 3³ × 5¹ × 571¹

Step-3: Factors of 77070

List of positive integer factors of 77070 that divides 77070 without a remainder.

1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 367, 734, 1101, 1835, 2202, 2569, 3670, 5138, 5505, 7707, 11010, 12845, 15414, 25690, 38535

Step-4: Factors of 77085

List of positive integer factors of 77085 that divides 77070 without a remainder.

1, 3, 5, 9, 15, 27, 45, 135, 571, 1713, 2855, 5139, 8565, 15417, 25695

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77070 and 77085. The biggest common factor number is the GCF number.
So the greatest common factor 77070 and 77085 is 15.

Also check out the Least Common Multiple of 77070 and 77085