Greatest Common Factor of 55, 17, 38, 85, 56

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

• Greatest Common Factor of 55, 17, 38, 85, 56 by common division method
• Greatest Common Factor of 55, 17, 38, 85, 56 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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 85

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

1,5,17,85

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Greatest Common Factor

We found the factors 55,17,38,85,56 . The biggest common factor number is the GCF number.
So the greatest common factor 55,17,38,85,56 is 1.

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

• GCF of 53, 45, 85, 20, 85
• GCF of 76, 64, 50, 22, 34
• GCF of 41, 52, 33, 22, 81
• GCF of 48, 82, 46, 21, 69
• GCF of 54, 96, 54, 36, 81

1. What is the GCF of 55, 17, 38, 85, 56?

Answer: GCF of 55, 17, 38, 85, 56 is 1.

2. How to Find the GCF of 55, 17, 38, 85, 56

Answer: Greatest Common Factor(GCF) of 55, 17, 38, 85, 56 = 1

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

Step 2: Then multiply all the prime factors GCF(55, 17, 38, 85, 56) = 1.