Greatest Common Factor of 18, 65, 664

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

• Greatest Common Factor of 18, 65, 664 by common division method
• Greatest Common Factor of 18, 65, 664 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 664

List of positive integer factors of 664 that divides 664 without a remainder.

1,2,4,8,83,166,332,664

Greatest Common Factor

We found the factors 18,65,664 . The biggest common factor number is the GCF number.
So the greatest common factor 18,65,664 is 1.

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

• GCF of 38, 77, 358
• GCF of 33, 22, 571
• GCF of 44, 49, 591
• GCF of 49, 43, 347
• GCF of 68, 31, 567

1. What is the GCF of 18, 65, 664?

Answer: GCF of 18, 65, 664 is 1.

2. How to Find the GCF of 18, 65, 664

Answer: Greatest Common Factor(GCF) of 18, 65, 664 = 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, 664) = 1.