Greatest Common Factor of 847, 861, 42

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

• Greatest Common Factor of 847, 861, 42 by common division method
• Greatest Common Factor of 847, 861, 42 with matching the biggest common factor

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∴ So the GCF of the given numbers is 7 = 7

Factors of 847

List of positive integer factors of 847 that divides 847 without a remainder.

1,7,11,77,121,847

Factors of 861

List of positive integer factors of 861 that divides 861 without a remainder.

1,3,7,21,41,123,287,861

Factors of 42

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

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

Greatest Common Factor

We found the factors 847,861,42 . The biggest common factor number is the GCF number.
So the greatest common factor 847,861,42 is 7.

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

• GCF of 266, 829, 76
• GCF of 415, 814, 75
• GCF of 860, 453, 41
• GCF of 794, 266, 76
• GCF of 342, 985, 54

1. What is the GCF of 847, 861, 42?

Answer: GCF of 847, 861, 42 is 7.

2. How to Find the GCF of 847, 861, 42

Answer: Greatest Common Factor(GCF) of 847, 861, 42 = 7

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

Step 2: Then multiply all the prime factors GCF(847, 861, 42) = 7.