Greatest Common Factor of 42, 344, 391

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

• Greatest Common Factor of 42, 344, 391 by common division method
• Greatest Common Factor of 42, 344, 391 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 344

List of positive integer factors of 344 that divides 344 without a remainder.

1,2,4,8,43,86,172,344

Factors of 391

List of positive integer factors of 391 that divides 391 without a remainder.

1,17,23,391

Greatest Common Factor

We found the factors 42,344,391 . The biggest common factor number is the GCF number.
So the greatest common factor 42,344,391 is 1.

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

• GCF of 36, 517, 706
• GCF of 41, 776, 923
• GCF of 83, 424, 808
• GCF of 63, 426, 867
• GCF of 67, 603, 458

1. What is the GCF of 42, 344, 391?

Answer: GCF of 42, 344, 391 is 1.

2. How to Find the GCF of 42, 344, 391

Answer: Greatest Common Factor(GCF) of 42, 344, 391 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 344, 391) = 1.