Greatest Common Factor of 42, 791, 820

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

• Greatest Common Factor of 42, 791, 820 by common division method
• Greatest Common Factor of 42, 791, 820 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 791

List of positive integer factors of 791 that divides 791 without a remainder.

1,7,113,791

Factors of 820

List of positive integer factors of 820 that divides 820 without a remainder.

1,2,4,5,10,20,41,82,164,205,410,820

Greatest Common Factor

We found the factors 42,791,820 . The biggest common factor number is the GCF number.
So the greatest common factor 42,791,820 is 1.

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

• GCF of 77, 650, 405
• GCF of 27, 193, 186
• GCF of 51, 721, 704
• GCF of 99, 336, 923
• GCF of 83, 793, 266

1. What is the GCF of 42, 791, 820?

Answer: GCF of 42, 791, 820 is 1.

2. How to Find the GCF of 42, 791, 820

Answer: Greatest Common Factor(GCF) of 42, 791, 820 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 791, 820) = 1.