Greatest Common Factor of 40, 42, 66, 82

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

• Greatest Common Factor of 40, 42, 66, 82 by common division method
• Greatest Common Factor of 40, 42, 66, 82 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

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 66

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

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

Factors of 82

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

1,2,41,82

Greatest Common Factor

We found the factors 40,42,66,82 . The biggest common factor number is the GCF number.
So the greatest common factor 40,42,66,82 is 2.

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

• GCF of 70, 71, 97, 23
• GCF of 95, 93, 96, 82
• GCF of 91, 65, 82, 32
• GCF of 17, 78, 73, 84
• GCF of 19, 71, 19, 57

1. What is the GCF of 40, 42, 66, 82?

Answer: GCF of 40, 42, 66, 82 is 2.

2. How to Find the GCF of 40, 42, 66, 82

Answer: Greatest Common Factor(GCF) of 40, 42, 66, 82 = 2

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

Step 2: Then multiply all the prime factors GCF(40, 42, 66, 82) = 2.