Greatest Common Factor of 90, 56, 71, 84

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

• Greatest Common Factor of 90, 56, 71, 84 by common division method
• Greatest Common Factor of 90, 56, 71, 84 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 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 56

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

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

Factors of 71

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

1,71

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Greatest Common Factor

We found the factors 90,56,71,84 . The biggest common factor number is the GCF number.
So the greatest common factor 90,56,71,84 is 1.

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

• GCF of 15, 26, 56, 36
• GCF of 34, 14, 97, 11
• GCF of 69, 23, 94, 97
• GCF of 58, 35, 13, 73
• GCF of 20, 99, 58, 32

1. What is the GCF of 90, 56, 71, 84?

Answer: GCF of 90, 56, 71, 84 is 1.

2. How to Find the GCF of 90, 56, 71, 84

Answer: Greatest Common Factor(GCF) of 90, 56, 71, 84 = 1

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

Step 2: Then multiply all the prime factors GCF(90, 56, 71, 84) = 1.