Greatest Common Factor of 42, 71, 891

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

• Greatest Common Factor of 42, 71, 891 by common division method
• Greatest Common Factor of 42, 71, 891 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 71

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

1,71

Factors of 891

List of positive integer factors of 891 that divides 891 without a remainder.

1,3,9,11,27,33,81,99,297,891

Greatest Common Factor

We found the factors 42,71,891 . The biggest common factor number is the GCF number.
So the greatest common factor 42,71,891 is 1.

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

• GCF of 44, 65, 540
• GCF of 41, 94, 474
• GCF of 87, 28, 220
• GCF of 65, 92, 712
• GCF of 84, 72, 656

1. What is the GCF of 42, 71, 891?

Answer: GCF of 42, 71, 891 is 1.

2. How to Find the GCF of 42, 71, 891

Answer: Greatest Common Factor(GCF) of 42, 71, 891 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 71, 891) = 1.