Greatest Common Factor of 39, 30, 65, 47, 30

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

• Greatest Common Factor of 39, 30, 65, 47, 30 by common division method
• Greatest Common Factor of 39, 30, 65, 47, 30 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Greatest Common Factor

We found the factors 39,30,65,47,30 . The biggest common factor number is the GCF number.
So the greatest common factor 39,30,65,47,30 is 1.

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

• GCF of 61, 64, 87, 20, 68
• GCF of 20, 74, 48, 19, 81
• GCF of 86, 76, 57, 81, 43
• GCF of 40, 76, 99, 15, 41
• GCF of 11, 75, 30, 32, 85

1. What is the GCF of 39, 30, 65, 47, 30?

Answer: GCF of 39, 30, 65, 47, 30 is 1.

2. How to Find the GCF of 39, 30, 65, 47, 30

Answer: Greatest Common Factor(GCF) of 39, 30, 65, 47, 30 = 1

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

Step 2: Then multiply all the prime factors GCF(39, 30, 65, 47, 30) = 1.