Greatest Common Factor of 289, 764, 20

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

• Greatest Common Factor of 289, 764, 20 by common division method
• Greatest Common Factor of 289, 764, 20 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 289

List of positive integer factors of 289 that divides 289 without a remainder.

1,17,289

Factors of 764

List of positive integer factors of 764 that divides 764 without a remainder.

1,2,4,191,382,764

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 289,764,20 . The biggest common factor number is the GCF number.
So the greatest common factor 289,764,20 is 1.

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

• GCF of 987, 416, 16
• GCF of 577, 277, 82
• GCF of 132, 738, 10
• GCF of 401, 386, 66
• GCF of 138, 113, 68

1. What is the GCF of 289, 764, 20?

Answer: GCF of 289, 764, 20 is 1.

2. How to Find the GCF of 289, 764, 20

Answer: Greatest Common Factor(GCF) of 289, 764, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(289, 764, 20) = 1.