Greatest Common Factor of 42, 126, 538

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

• Greatest Common Factor of 42, 126, 538 by common division method
• Greatest Common Factor of 42, 126, 538 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 126

List of positive integer factors of 126 that divides 126 without a remainder.

1,2,3,6,7,9,14,18,21,42,63,126

Factors of 538

List of positive integer factors of 538 that divides 538 without a remainder.

1,2,269,538

Greatest Common Factor

We found the factors 42,126,538 . The biggest common factor number is the GCF number.
So the greatest common factor 42,126,538 is 2.

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

• GCF of 11, 742, 826
• GCF of 37, 276, 228
• GCF of 44, 693, 619
• GCF of 22, 811, 716
• GCF of 64, 308, 363

1. What is the GCF of 42, 126, 538?

Answer: GCF of 42, 126, 538 is 2.

2. How to Find the GCF of 42, 126, 538

Answer: Greatest Common Factor(GCF) of 42, 126, 538 = 2

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

Step 2: Then multiply all the prime factors GCF(42, 126, 538) = 2.