Greatest Common Factor of 28, 57, 77, 38, 95

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

• Greatest Common Factor of 28, 57, 77, 38, 95 by common division method
• Greatest Common Factor of 28, 57, 77, 38, 95 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 57

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

1,3,19,57

Factors of 77

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

1,7,11,77

Factors of 38

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

1,2,19,38

Factors of 95

List of positive integer factors of 95 that divides 95 without a remainder.

1,5,19,95

Greatest Common Factor

We found the factors 28,57,77,38,95 . The biggest common factor number is the GCF number.
So the greatest common factor 28,57,77,38,95 is 1.

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

• GCF of 98, 21, 21, 87, 20
• GCF of 36, 53, 35, 83, 69
• GCF of 90, 37, 10, 30, 38
• GCF of 67, 78, 43, 60, 80
• GCF of 77, 58, 85, 31, 11

1. What is the GCF of 28, 57, 77, 38, 95?

Answer: GCF of 28, 57, 77, 38, 95 is 1.

2. How to Find the GCF of 28, 57, 77, 38, 95

Answer: Greatest Common Factor(GCF) of 28, 57, 77, 38, 95 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 57, 77, 38, 95) = 1.