Greatest Common Factor of 56, 90, 77, 71

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

• Greatest Common Factor of 56, 90, 77, 71 by common division method
• Greatest Common Factor of 56, 90, 77, 71 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 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 77

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

1,7,11,77

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Greatest Common Factor

We found the factors 56,90,77,71 . The biggest common factor number is the GCF number.
So the greatest common factor 56,90,77,71 is 1.

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

• GCF of 81, 48, 11, 31
• GCF of 32, 83, 22, 38
• GCF of 99, 36, 27, 18
• GCF of 65, 42, 82, 39
• GCF of 91, 40, 34, 12

1. What is the GCF of 56, 90, 77, 71?

Answer: GCF of 56, 90, 77, 71 is 1.

2. How to Find the GCF of 56, 90, 77, 71

Answer: Greatest Common Factor(GCF) of 56, 90, 77, 71 = 1

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

Step 2: Then multiply all the prime factors GCF(56, 90, 77, 71) = 1.