Greatest Common Factor of 861, 221, 164

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

• Greatest Common Factor of 861, 221, 164 by common division method
• Greatest Common Factor of 861, 221, 164 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 861

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

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

Factors of 221

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

1,13,17,221

Factors of 164

List of positive integer factors of 164 that divides 164 without a remainder.

1,2,4,41,82,164

Greatest Common Factor

We found the factors 861,221,164 . The biggest common factor number is the GCF number.
So the greatest common factor 861,221,164 is 1.

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

• GCF of 422, 964, 407
• GCF of 663, 146, 821
• GCF of 695, 272, 749
• GCF of 575, 451, 160
• GCF of 379, 956, 713

1. What is the GCF of 861, 221, 164?

Answer: GCF of 861, 221, 164 is 1.

2. How to Find the GCF of 861, 221, 164

Answer: Greatest Common Factor(GCF) of 861, 221, 164 = 1

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

Step 2: Then multiply all the prime factors GCF(861, 221, 164) = 1.