Greatest Common Factor of 45, 85, 86, 77

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

• Greatest Common Factor of 45, 85, 86, 77 by common division method
• Greatest Common Factor of 45, 85, 86, 77 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 85

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

1,5,17,85

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Factors of 77

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

1,7,11,77

Greatest Common Factor

We found the factors 45,85,86,77 . The biggest common factor number is the GCF number.
So the greatest common factor 45,85,86,77 is 1.

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

• GCF of 21, 92, 73, 10
• GCF of 85, 86, 68, 50
• GCF of 48, 19, 80, 14
• GCF of 52, 81, 14, 91
• GCF of 45, 50, 50, 97

1. What is the GCF of 45, 85, 86, 77?

Answer: GCF of 45, 85, 86, 77 is 1.

2. How to Find the GCF of 45, 85, 86, 77

Answer: Greatest Common Factor(GCF) of 45, 85, 86, 77 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 85, 86, 77) = 1.