Greatest Common Factor of 39, 40, 66, 11

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

• Greatest Common Factor of 39, 40, 66, 11 by common division method
• Greatest Common Factor of 39, 40, 66, 11 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

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 66

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

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

Factors of 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Greatest Common Factor

We found the factors 39,40,66,11 . The biggest common factor number is the GCF number.
So the greatest common factor 39,40,66,11 is 1.

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

• GCF of 26, 78, 30, 52
• GCF of 87, 51, 77, 86
• GCF of 25, 85, 95, 52
• GCF of 56, 92, 52, 40
• GCF of 70, 90, 43, 62

1. What is the GCF of 39, 40, 66, 11?

Answer: GCF of 39, 40, 66, 11 is 1.

2. How to Find the GCF of 39, 40, 66, 11

Answer: Greatest Common Factor(GCF) of 39, 40, 66, 11 = 1

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

Step 2: Then multiply all the prime factors GCF(39, 40, 66, 11) = 1.