Greatest Common Factor of 26, 18, 66, 221

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

• Greatest Common Factor of 26, 18, 66, 221 by common division method
• Greatest Common Factor of 26, 18, 66, 221 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 26

List of positive integer factors of 26 that divides 26 without a remainder.

1,2,13,26

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 221

List of positive integer factors of 221 that divides 221 without a remainder.

1,13,17,221

Greatest Common Factor

We found the factors 26,18,66,221 . The biggest common factor number is the GCF number.
So the greatest common factor 26,18,66,221 is 1.

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

• GCF of 87, 71, 13, 489
• GCF of 51, 68, 87, 233
• GCF of 27, 24, 92, 720
• GCF of 12, 82, 17, 236
• GCF of 83, 46, 41, 170

1. What is the GCF of 26, 18, 66, 221?

Answer: GCF of 26, 18, 66, 221 is 1.

2. How to Find the GCF of 26, 18, 66, 221

Answer: Greatest Common Factor(GCF) of 26, 18, 66, 221 = 1

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

Step 2: Then multiply all the prime factors GCF(26, 18, 66, 221) = 1.