Greatest Common Factor of 42, 82, 72, 124

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

• Greatest Common Factor of 42, 82, 72, 124 by common division method
• Greatest Common Factor of 42, 82, 72, 124 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 82

List of positive integer factors of 82 that divides 82 without a remainder.

1,2,41,82

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 124

List of positive integer factors of 124 that divides 124 without a remainder.

1,2,4,31,62,124

Greatest Common Factor

We found the factors 42,82,72,124 . The biggest common factor number is the GCF number.
So the greatest common factor 42,82,72,124 is 2.

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

• GCF of 70, 28, 19, 593
• GCF of 74, 57, 77, 172
• GCF of 52, 98, 89, 696
• GCF of 65, 89, 37, 600
• GCF of 18, 98, 64, 317

1. What is the GCF of 42, 82, 72, 124?

Answer: GCF of 42, 82, 72, 124 is 2.

2. How to Find the GCF of 42, 82, 72, 124

Answer: Greatest Common Factor(GCF) of 42, 82, 72, 124 = 2

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

Step 2: Then multiply all the prime factors GCF(42, 82, 72, 124) = 2.