Greatest Common Factor of 15, 60, 68, 85, 939

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

• Greatest Common Factor of 15, 60, 68, 85, 939 by common division method
• Greatest Common Factor of 15, 60, 68, 85, 939 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 85

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

1,5,17,85

Factors of 939

List of positive integer factors of 939 that divides 939 without a remainder.

1,3,313,939

Greatest Common Factor

We found the factors 15,60,68,85,939 . The biggest common factor number is the GCF number.
So the greatest common factor 15,60,68,85,939 is 1.

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

• GCF of 21, 87, 20, 15, 506
• GCF of 95, 85, 81, 41, 610
• GCF of 28, 24, 53, 51, 317
• GCF of 68, 26, 48, 37, 422
• GCF of 62, 35, 57, 45, 942

1. What is the GCF of 15, 60, 68, 85, 939?

Answer: GCF of 15, 60, 68, 85, 939 is 1.

2. How to Find the GCF of 15, 60, 68, 85, 939

Answer: Greatest Common Factor(GCF) of 15, 60, 68, 85, 939 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 60, 68, 85, 939) = 1.