Greatest Common Factor of 261, 289, 39

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

• Greatest Common Factor of 261, 289, 39 by common division method
• Greatest Common Factor of 261, 289, 39 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 261

List of positive integer factors of 261 that divides 261 without a remainder.

1,3,9,29,87,261

Factors of 289

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

1,17,289

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Greatest Common Factor

We found the factors 261,289,39 . The biggest common factor number is the GCF number.
So the greatest common factor 261,289,39 is 1.

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

• GCF of 391, 483, 78
• GCF of 653, 399, 73
• GCF of 806, 389, 96
• GCF of 907, 278, 68
• GCF of 463, 405, 13

1. What is the GCF of 261, 289, 39?

Answer: GCF of 261, 289, 39 is 1.

2. How to Find the GCF of 261, 289, 39

Answer: Greatest Common Factor(GCF) of 261, 289, 39 = 1

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

Step 2: Then multiply all the prime factors GCF(261, 289, 39) = 1.