Greatest Common Factor of 861, 690, 66

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

• Greatest Common Factor of 861, 690, 66 by common division method
• Greatest Common Factor of 861, 690, 66 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 861

List of positive integer factors of 861 that divides 861 without a remainder.

1,3,7,21,41,123,287,861

Factors of 690

List of positive integer factors of 690 that divides 690 without a remainder.

1,2,3,5,6,10,15,23,30,46,69,115,138,230,345,690

Factors of 66

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

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

Greatest Common Factor

We found the factors 861,690,66 . The biggest common factor number is the GCF number.
So the greatest common factor 861,690,66 is 3.

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

• GCF of 802, 438, 91
• GCF of 709, 897, 51
• GCF of 827, 114, 67
• GCF of 462, 588, 53
• GCF of 475, 986, 76

1. What is the GCF of 861, 690, 66?

Answer: GCF of 861, 690, 66 is 3.

2. How to Find the GCF of 861, 690, 66

Answer: Greatest Common Factor(GCF) of 861, 690, 66 = 3

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

Step 2: Then multiply all the prime factors GCF(861, 690, 66) = 3.