Greatest Common Factor of 66, 21, 260

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

• Greatest Common Factor of 66, 21, 260 by common division method
• Greatest Common Factor of 66, 21, 260 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 66

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

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

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 260

List of positive integer factors of 260 that divides 260 without a remainder.

1,2,4,5,10,13,20,26,52,65,130,260

Greatest Common Factor

We found the factors 66,21,260 . The biggest common factor number is the GCF number.
So the greatest common factor 66,21,260 is 1.

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

• GCF of 55, 73, 705
• GCF of 65, 62, 924
• GCF of 13, 68, 568
• GCF of 48, 50, 664
• GCF of 14, 49, 750

1. What is the GCF of 66, 21, 260?

Answer: GCF of 66, 21, 260 is 1.

2. How to Find the GCF of 66, 21, 260

Answer: Greatest Common Factor(GCF) of 66, 21, 260 = 1

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

Step 2: Then multiply all the prime factors GCF(66, 21, 260) = 1.