Greatest Common Factor of 39, 42, 14, 40

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

• Greatest Common Factor of 39, 42, 14, 40 by common division method
• Greatest Common Factor of 39, 42, 14, 40 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 14

List of positive integer factors of 14 that divides 14 without a remainder.

1,2,7,14

Factors of 40

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

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

Greatest Common Factor

We found the factors 39,42,14,40 . The biggest common factor number is the GCF number.
So the greatest common factor 39,42,14,40 is 1.

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

• GCF of 26, 93, 51, 92
• GCF of 38, 44, 10, 34
• GCF of 13, 83, 50, 74
• GCF of 30, 96, 22, 16
• GCF of 12, 96, 73, 80

1. What is the GCF of 39, 42, 14, 40?

Answer: GCF of 39, 42, 14, 40 is 1.

2. How to Find the GCF of 39, 42, 14, 40

Answer: Greatest Common Factor(GCF) of 39, 42, 14, 40 = 1

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

Step 2: Then multiply all the prime factors GCF(39, 42, 14, 40) = 1.