Greatest Common Factor of 28, 42, 55, 960

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

• Greatest Common Factor of 28, 42, 55, 960 by common division method
• Greatest Common Factor of 28, 42, 55, 960 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 960

List of positive integer factors of 960 that divides 960 without a remainder.

1,2,3,4,5,6,8,10,12,15,16,20,24,30,32,40,48,60,64,80,96,120,160,192,240,320,480,960

Greatest Common Factor

We found the factors 28,42,55,960 . The biggest common factor number is the GCF number.
So the greatest common factor 28,42,55,960 is 1.

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

• GCF of 29, 27, 34, 876
• GCF of 25, 60, 47, 238
• GCF of 26, 83, 37, 141
• GCF of 94, 84, 92, 619
• GCF of 21, 27, 49, 937

1. What is the GCF of 28, 42, 55, 960?

Answer: GCF of 28, 42, 55, 960 is 1.

2. How to Find the GCF of 28, 42, 55, 960

Answer: Greatest Common Factor(GCF) of 28, 42, 55, 960 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 42, 55, 960) = 1.