Greatest Common Factor of 77, 80, 165

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 77, 80, 165 by common division method
• Greatest Common Factor of 77, 80, 165 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 165

List of positive integer factors of 165 that divides 165 without a remainder.

1,3,5,11,15,33,55,165

Greatest Common Factor

We found the factors 77,80,165 . The biggest common factor number is the GCF number.
So the greatest common factor 77,80,165 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 62, 29, 991
• GCF of 28, 51, 807
• GCF of 86, 48, 217
• GCF of 79, 20, 561
• GCF of 94, 82, 508

1. What is the GCF of 77, 80, 165?

Answer: GCF of 77, 80, 165 is 1.

2. How to Find the GCF of 77, 80, 165

Answer: Greatest Common Factor(GCF) of 77, 80, 165 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(77, 80, 165) = 1.