Greatest Common Factor of 261, 195, 172

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

• Greatest Common Factor of 261, 195, 172 by common division method
• Greatest Common Factor of 261, 195, 172 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 195

List of positive integer factors of 195 that divides 195 without a remainder.

1,3,5,13,15,39,65,195

Factors of 172

List of positive integer factors of 172 that divides 172 without a remainder.

1,2,4,43,86,172

Greatest Common Factor

We found the factors 261,195,172 . The biggest common factor number is the GCF number.
So the greatest common factor 261,195,172 is 1.

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

• GCF of 628, 315, 976
• GCF of 899, 350, 164
• GCF of 906, 128, 507
• GCF of 952, 898, 746
• GCF of 794, 117, 877

1. What is the GCF of 261, 195, 172?

Answer: GCF of 261, 195, 172 is 1.

2. How to Find the GCF of 261, 195, 172

Answer: Greatest Common Factor(GCF) of 261, 195, 172 = 1

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

Step 2: Then multiply all the prime factors GCF(261, 195, 172) = 1.