Greatest Common Factor of 28, 77, 60, 34, 657

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

• Greatest Common Factor of 28, 77, 60, 34, 657 by common division method
• Greatest Common Factor of 28, 77, 60, 34, 657 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 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

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 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 657

List of positive integer factors of 657 that divides 657 without a remainder.

1,3,9,73,219,657

Greatest Common Factor

We found the factors 28,77,60,34,657 . The biggest common factor number is the GCF number.
So the greatest common factor 28,77,60,34,657 is 1.

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

• GCF of 40, 24, 98, 34, 180
• GCF of 21, 23, 61, 46, 595
• GCF of 23, 10, 81, 43, 602
• GCF of 87, 95, 40, 46, 766
• GCF of 70, 67, 76, 71, 677

1. What is the GCF of 28, 77, 60, 34, 657?

Answer: GCF of 28, 77, 60, 34, 657 is 1.

2. How to Find the GCF of 28, 77, 60, 34, 657

Answer: Greatest Common Factor(GCF) of 28, 77, 60, 34, 657 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 77, 60, 34, 657) = 1.