Greatest Common Factor of 85, 71, 391

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

• Greatest Common Factor of 85, 71, 391 by common division method
• Greatest Common Factor of 85, 71, 391 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 85

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

1,5,17,85

Factors of 71

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

1,71

Factors of 391

List of positive integer factors of 391 that divides 391 without a remainder.

1,17,23,391

Greatest Common Factor

We found the factors 85,71,391 . The biggest common factor number is the GCF number.
So the greatest common factor 85,71,391 is 1.

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

• GCF of 77, 16, 303
• GCF of 22, 46, 201
• GCF of 20, 39, 422
• GCF of 54, 21, 537
• GCF of 96, 80, 361

1. What is the GCF of 85, 71, 391?

Answer: GCF of 85, 71, 391 is 1.

2. How to Find the GCF of 85, 71, 391

Answer: Greatest Common Factor(GCF) of 85, 71, 391 = 1

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

Step 2: Then multiply all the prime factors GCF(85, 71, 391) = 1.