Greatest Common Factor of 28, 50, 57, 660

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

• Greatest Common Factor of 28, 50, 57, 660 by common division method
• Greatest Common Factor of 28, 50, 57, 660 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 50

List of positive integer factors of 50 that divides 50 without a remainder.

1,2,5,10,25,50

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 660

List of positive integer factors of 660 that divides 660 without a remainder.

1,2,3,4,5,6,10,11,12,15,20,22,30,33,44,55,60,66,110,132,165,220,330,660

Greatest Common Factor

We found the factors 28,50,57,660 . The biggest common factor number is the GCF number.
So the greatest common factor 28,50,57,660 is 1.

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

• GCF of 27, 67, 76, 655
• GCF of 86, 77, 34, 697
• GCF of 48, 36, 93, 626
• GCF of 88, 29, 55, 467
• GCF of 74, 27, 92, 435

1. What is the GCF of 28, 50, 57, 660?

Answer: GCF of 28, 50, 57, 660 is 1.

2. How to Find the GCF of 28, 50, 57, 660

Answer: Greatest Common Factor(GCF) of 28, 50, 57, 660 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 50, 57, 660) = 1.