Greatest Common Factor of 42, 34, 399

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

• Greatest Common Factor of 42, 34, 399 by common division method
• Greatest Common Factor of 42, 34, 399 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 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Greatest Common Factor

We found the factors 42,34,399 . The biggest common factor number is the GCF number.
So the greatest common factor 42,34,399 is 1.

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

• GCF of 53, 60, 681
• GCF of 60, 57, 617
• GCF of 90, 68, 567
• GCF of 79, 32, 213
• GCF of 92, 92, 146

1. What is the GCF of 42, 34, 399?

Answer: GCF of 42, 34, 399 is 1.

2. How to Find the GCF of 42, 34, 399

Answer: Greatest Common Factor(GCF) of 42, 34, 399 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 34, 399) = 1.