Greatest Common Factor of 20, 88, 89, 688

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

• Greatest Common Factor of 20, 88, 89, 688 by common division method
• Greatest Common Factor of 20, 88, 89, 688 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 88

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

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

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Factors of 688

List of positive integer factors of 688 that divides 688 without a remainder.

1,2,4,8,16,43,86,172,344,688

Greatest Common Factor

We found the factors 20,88,89,688 . The biggest common factor number is the GCF number.
So the greatest common factor 20,88,89,688 is 1.

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

• GCF of 98, 65, 79, 943
• GCF of 38, 54, 44, 334
• GCF of 10, 74, 38, 175
• GCF of 11, 22, 81, 290
• GCF of 13, 54, 68, 545

1. What is the GCF of 20, 88, 89, 688?

Answer: GCF of 20, 88, 89, 688 is 1.

2. How to Find the GCF of 20, 88, 89, 688

Answer: Greatest Common Factor(GCF) of 20, 88, 89, 688 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 88, 89, 688) = 1.