Greatest Common Factor of 18, 66, 77, 259

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

• Greatest Common Factor of 18, 66, 77, 259 by common division method
• Greatest Common Factor of 18, 66, 77, 259 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 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 259

List of positive integer factors of 259 that divides 259 without a remainder.

1,7,37,259

Greatest Common Factor

We found the factors 18,66,77,259 . The biggest common factor number is the GCF number.
So the greatest common factor 18,66,77,259 is 1.

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

• GCF of 58, 73, 21, 746
• GCF of 70, 70, 94, 783
• GCF of 23, 20, 29, 569
• GCF of 95, 46, 21, 406
• GCF of 84, 18, 51, 981

1. What is the GCF of 18, 66, 77, 259?

Answer: GCF of 18, 66, 77, 259 is 1.

2. How to Find the GCF of 18, 66, 77, 259

Answer: Greatest Common Factor(GCF) of 18, 66, 77, 259 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 66, 77, 259) = 1.