Greatest Common Factor of 20, 71, 88, 623

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

• Greatest Common Factor of 20, 71, 88, 623 by common division method
• Greatest Common Factor of 20, 71, 88, 623 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 71

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

1,71

Factors of 88

List of positive integer factors of 88 that divides 88 without a remainder.

1,2,4,8,11,22,44,88

Factors of 623

List of positive integer factors of 623 that divides 623 without a remainder.

1,7,89,623

Greatest Common Factor

We found the factors 20,71,88,623 . The biggest common factor number is the GCF number.
So the greatest common factor 20,71,88,623 is 1.

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

• GCF of 13, 74, 90, 131
• GCF of 98, 32, 82, 291
• GCF of 69, 64, 37, 727
• GCF of 42, 51, 60, 291
• GCF of 67, 27, 84, 891

1. What is the GCF of 20, 71, 88, 623?

Answer: GCF of 20, 71, 88, 623 is 1.

2. How to Find the GCF of 20, 71, 88, 623

Answer: Greatest Common Factor(GCF) of 20, 71, 88, 623 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 71, 88, 623) = 1.