Greatest Common Factor of 18, 17, 172

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

• Greatest Common Factor of 18, 17, 172 by common division method
• Greatest Common Factor of 18, 17, 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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 17

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

1,17

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 18,17,172 . The biggest common factor number is the GCF number.
So the greatest common factor 18,17,172 is 1.

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

• GCF of 34, 44, 595
• GCF of 52, 97, 693
• GCF of 53, 31, 943
• GCF of 25, 97, 849
• GCF of 30, 17, 902

1. What is the GCF of 18, 17, 172?

Answer: GCF of 18, 17, 172 is 1.

2. How to Find the GCF of 18, 17, 172

Answer: Greatest Common Factor(GCF) of 18, 17, 172 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 17, 172) = 1.