Greatest Common Factor of 85, 34, 43, 391

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

• Greatest Common Factor of 85, 34, 43, 391 by common division method
• Greatest Common Factor of 85, 34, 43, 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 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

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 85,34,43,391 . The biggest common factor number is the GCF number.
So the greatest common factor 85,34,43,391 is 1.

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

• GCF of 24, 89, 35, 399
• GCF of 33, 17, 69, 250
• GCF of 44, 27, 74, 230
• GCF of 19, 16, 70, 260
• GCF of 79, 47, 57, 964

1. What is the GCF of 85, 34, 43, 391?

Answer: GCF of 85, 34, 43, 391 is 1.

2. How to Find the GCF of 85, 34, 43, 391

Answer: Greatest Common Factor(GCF) of 85, 34, 43, 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, 34, 43, 391) = 1.