Greatest Common Factor of 18, 65, 311

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

• Greatest Common Factor of 18, 65, 311 by common division method
• Greatest Common Factor of 18, 65, 311 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 65

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

1,5,13,65

Factors of 311

List of positive integer factors of 311 that divides 311 without a remainder.

1,311

Greatest Common Factor

We found the factors 18,65,311 . The biggest common factor number is the GCF number.
So the greatest common factor 18,65,311 is 1.

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

• GCF of 51, 61, 707
• GCF of 99, 37, 227
• GCF of 22, 77, 720
• GCF of 64, 26, 618
• GCF of 31, 81, 189

1. What is the GCF of 18, 65, 311?

Answer: GCF of 18, 65, 311 is 1.

2. How to Find the GCF of 18, 65, 311

Answer: Greatest Common Factor(GCF) of 18, 65, 311 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 65, 311) = 1.