Greatest Common Factor of 42, 72, 82, 66

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

• Greatest Common Factor of 42, 72, 82, 66 by common division method
• Greatest Common Factor of 42, 72, 82, 66 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 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 82

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

1,2,41,82

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Greatest Common Factor

We found the factors 42,72,82,66 . The biggest common factor number is the GCF number.
So the greatest common factor 42,72,82,66 is 2.

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

• GCF of 29, 64, 62, 69
• GCF of 94, 99, 88, 98
• GCF of 70, 64, 96, 59
• GCF of 75, 12, 79, 43
• GCF of 53, 90, 68, 41

1. What is the GCF of 42, 72, 82, 66?

Answer: GCF of 42, 72, 82, 66 is 2.

2. How to Find the GCF of 42, 72, 82, 66

Answer: Greatest Common Factor(GCF) of 42, 72, 82, 66 = 2

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

Step 2: Then multiply all the prime factors GCF(42, 72, 82, 66) = 2.