Greatest Common Factor of 109, 171, 15

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

• Greatest Common Factor of 109, 171, 15 by common division method
• Greatest Common Factor of 109, 171, 15 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 109

List of positive integer factors of 109 that divides 109 without a remainder.

1,109

Factors of 171

List of positive integer factors of 171 that divides 171 without a remainder.

1,3,9,19,57,171

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Greatest Common Factor

We found the factors 109,171,15 . The biggest common factor number is the GCF number.
So the greatest common factor 109,171,15 is 1.

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

• GCF of 890, 166, 49
• GCF of 339, 614, 64
• GCF of 772, 896, 66
• GCF of 597, 788, 26
• GCF of 435, 440, 93

1. What is the GCF of 109, 171, 15?

Answer: GCF of 109, 171, 15 is 1.

2. How to Find the GCF of 109, 171, 15

Answer: Greatest Common Factor(GCF) of 109, 171, 15 = 1

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

Step 2: Then multiply all the prime factors GCF(109, 171, 15) = 1.