Greatest Common Factor of 17, 81, 385

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

• Greatest Common Factor of 17, 81, 385 by common division method
• Greatest Common Factor of 17, 81, 385 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 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 385

List of positive integer factors of 385 that divides 385 without a remainder.

1,5,7,11,35,55,77,385

Greatest Common Factor

We found the factors 17,81,385 . The biggest common factor number is the GCF number.
So the greatest common factor 17,81,385 is 1.

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

• GCF of 25, 33, 597
• GCF of 89, 20, 228
• GCF of 74, 33, 177
• GCF of 26, 13, 967
• GCF of 12, 10, 136

1. What is the GCF of 17, 81, 385?

Answer: GCF of 17, 81, 385 is 1.

2. How to Find the GCF of 17, 81, 385

Answer: Greatest Common Factor(GCF) of 17, 81, 385 = 1

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

Step 2: Then multiply all the prime factors GCF(17, 81, 385) = 1.