Greatest Common Factor of 42, 91, 82, 209

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

• Greatest Common Factor of 42, 91, 82, 209 by common division method
• Greatest Common Factor of 42, 91, 82, 209 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 82

List of positive integer factors of 82 that divides 82 without a remainder.

1,2,41,82

Factors of 209

List of positive integer factors of 209 that divides 209 without a remainder.

1,11,19,209

Greatest Common Factor

We found the factors 42,91,82,209 . The biggest common factor number is the GCF number.
So the greatest common factor 42,91,82,209 is 1.

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

• GCF of 43, 95, 53, 965
• GCF of 42, 69, 29, 208
• GCF of 46, 80, 87, 609
• GCF of 63, 41, 30, 204
• GCF of 90, 54, 16, 400

1. What is the GCF of 42, 91, 82, 209?

Answer: GCF of 42, 91, 82, 209 is 1.

2. How to Find the GCF of 42, 91, 82, 209

Answer: Greatest Common Factor(GCF) of 42, 91, 82, 209 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 91, 82, 209) = 1.