Greatest Common Factor of 38, 85, 13, 680

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

• Greatest Common Factor of 38, 85, 13, 680 by common division method
• Greatest Common Factor of 38, 85, 13, 680 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 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 13

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

1,13

Factors of 680

List of positive integer factors of 680 that divides 680 without a remainder.

1,2,4,5,8,10,17,20,34,40,68,85,136,170,340,680

Greatest Common Factor

We found the factors 38,85,13,680 . The biggest common factor number is the GCF number.
So the greatest common factor 38,85,13,680 is 1.

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

• GCF of 28, 47, 18, 476
• GCF of 43, 69, 76, 708
• GCF of 34, 21, 83, 610
• GCF of 16, 20, 19, 331
• GCF of 82, 16, 60, 438

1. What is the GCF of 38, 85, 13, 680?

Answer: GCF of 38, 85, 13, 680 is 1.

2. How to Find the GCF of 38, 85, 13, 680

Answer: Greatest Common Factor(GCF) of 38, 85, 13, 680 = 1

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

Step 2: Then multiply all the prime factors GCF(38, 85, 13, 680) = 1.