Greatest Common Factor of 789, 991, 687, 42

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

• Greatest Common Factor of 789, 991, 687, 42 by common division method
• Greatest Common Factor of 789, 991, 687, 42 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 789

List of positive integer factors of 789 that divides 789 without a remainder.

1,3,263,789

Factors of 991

List of positive integer factors of 991 that divides 991 without a remainder.

1,991

Factors of 687

List of positive integer factors of 687 that divides 687 without a remainder.

1,3,229,687

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 789,991,687,42 . The biggest common factor number is the GCF number.
So the greatest common factor 789,991,687,42 is 1.

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

• GCF of 558, 378, 933, 72
• GCF of 357, 575, 591, 78
• GCF of 951, 162, 816, 71
• GCF of 258, 124, 482, 96
• GCF of 529, 686, 866, 93

1. What is the GCF of 789, 991, 687, 42?

Answer: GCF of 789, 991, 687, 42 is 1.

2. How to Find the GCF of 789, 991, 687, 42

Answer: Greatest Common Factor(GCF) of 789, 991, 687, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(789, 991, 687, 42) = 1.