Greatest Common Factor of 42, 30, 338

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

• Greatest Common Factor of 42, 30, 338 by common division method
• Greatest Common Factor of 42, 30, 338 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 338

List of positive integer factors of 338 that divides 338 without a remainder.

1,2,13,26,169,338

Greatest Common Factor

We found the factors 42,30,338 . The biggest common factor number is the GCF number.
So the greatest common factor 42,30,338 is 2.

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

• GCF of 24, 85, 637
• GCF of 85, 81, 425
• GCF of 56, 67, 829
• GCF of 50, 59, 739
• GCF of 89, 53, 332

1. What is the GCF of 42, 30, 338?

Answer: GCF of 42, 30, 338 is 2.

2. How to Find the GCF of 42, 30, 338

Answer: Greatest Common Factor(GCF) of 42, 30, 338 = 2

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

Step 2: Then multiply all the prime factors GCF(42, 30, 338) = 2.