Greatest Common Factor of 17, 81, 29, 245

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

• Greatest Common Factor of 17, 81, 29, 245 by common division method
• Greatest Common Factor of 17, 81, 29, 245 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 29

List of positive integer factors of 29 that divides 29 without a remainder.

1,29

Factors of 245

List of positive integer factors of 245 that divides 245 without a remainder.

1,5,7,35,49,245

Greatest Common Factor

We found the factors 17,81,29,245 . The biggest common factor number is the GCF number.
So the greatest common factor 17,81,29,245 is 1.

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

• GCF of 51, 52, 97, 734
• GCF of 86, 16, 60, 502
• GCF of 11, 33, 72, 448
• GCF of 48, 70, 69, 612
• GCF of 27, 39, 68, 232

1. What is the GCF of 17, 81, 29, 245?

Answer: GCF of 17, 81, 29, 245 is 1.

2. How to Find the GCF of 17, 81, 29, 245

Answer: Greatest Common Factor(GCF) of 17, 81, 29, 245 = 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, 29, 245) = 1.