Greatest Common Factor of 20, 65, 13, 739

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

• Greatest Common Factor of 20, 65, 13, 739 by common division method
• Greatest Common Factor of 20, 65, 13, 739 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 65

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

1,5,13,65

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 739

List of positive integer factors of 739 that divides 739 without a remainder.

1,739

Greatest Common Factor

We found the factors 20,65,13,739 . The biggest common factor number is the GCF number.
So the greatest common factor 20,65,13,739 is 1.

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

• GCF of 67, 71, 47, 298
• GCF of 90, 86, 32, 623
• GCF of 62, 68, 54, 989
• GCF of 90, 54, 27, 803
• GCF of 91, 81, 87, 364

1. What is the GCF of 20, 65, 13, 739?

Answer: GCF of 20, 65, 13, 739 is 1.

2. How to Find the GCF of 20, 65, 13, 739

Answer: Greatest Common Factor(GCF) of 20, 65, 13, 739 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 65, 13, 739) = 1.