Greatest Common Factor of 17, 71, 85, 13

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

• Greatest Common Factor of 17, 71, 85, 13 by common division method
• Greatest Common Factor of 17, 71, 85, 13 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 17

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

1,17

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 85

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

1,5,17,85

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Greatest Common Factor

We found the factors 17,71,85,13 . The biggest common factor number is the GCF number.
So the greatest common factor 17,71,85,13 is 1.

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

• GCF of 47, 77, 27, 70
• GCF of 58, 88, 14, 65
• GCF of 37, 82, 46, 42
• GCF of 73, 98, 15, 47
• GCF of 50, 87, 99, 66

1. What is the GCF of 17, 71, 85, 13?

Answer: GCF of 17, 71, 85, 13 is 1.

2. How to Find the GCF of 17, 71, 85, 13

Answer: Greatest Common Factor(GCF) of 17, 71, 85, 13 = 1

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

Step 2: Then multiply all the prime factors GCF(17, 71, 85, 13) = 1.