Greatest Common Factor of 77, 85, 20, 177

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

• Greatest Common Factor of 77, 85, 20, 177 by common division method
• Greatest Common Factor of 77, 85, 20, 177 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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 177

List of positive integer factors of 177 that divides 177 without a remainder.

1,3,59,177

Greatest Common Factor

We found the factors 77,85,20,177 . The biggest common factor number is the GCF number.
So the greatest common factor 77,85,20,177 is 1.

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

• GCF of 53, 95, 51, 204
• GCF of 34, 90, 89, 964
• GCF of 16, 46, 49, 963
• GCF of 32, 62, 47, 322
• GCF of 60, 44, 50, 958

1. What is the GCF of 77, 85, 20, 177?

Answer: GCF of 77, 85, 20, 177 is 1.

2. How to Find the GCF of 77, 85, 20, 177

Answer: Greatest Common Factor(GCF) of 77, 85, 20, 177 = 1

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

Step 2: Then multiply all the prime factors GCF(77, 85, 20, 177) = 1.