Greatest Common Factor of 65, 12, 171

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

• Greatest Common Factor of 65, 12, 171 by common division method
• Greatest Common Factor of 65, 12, 171 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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 171

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

1,3,9,19,57,171

Greatest Common Factor

We found the factors 65,12,171 . The biggest common factor number is the GCF number.
So the greatest common factor 65,12,171 is 1.

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

• GCF of 71, 91, 431
• GCF of 11, 52, 690
• GCF of 14, 38, 149
• GCF of 84, 95, 346
• GCF of 36, 58, 992

1. What is the GCF of 65, 12, 171?

Answer: GCF of 65, 12, 171 is 1.

2. How to Find the GCF of 65, 12, 171

Answer: Greatest Common Factor(GCF) of 65, 12, 171 = 1

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

Step 2: Then multiply all the prime factors GCF(65, 12, 171) = 1.