Greatest Common Factor of 13, 61, 189

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

• Greatest Common Factor of 13, 61, 189 by common division method
• Greatest Common Factor of 13, 61, 189 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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 189

List of positive integer factors of 189 that divides 189 without a remainder.

1,3,7,9,21,27,63,189

Greatest Common Factor

We found the factors 13,61,189 . The biggest common factor number is the GCF number.
So the greatest common factor 13,61,189 is 1.

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

• GCF of 87, 49, 171
• GCF of 90, 71, 688
• GCF of 94, 79, 404
• GCF of 74, 48, 516
• GCF of 95, 67, 993

1. What is the GCF of 13, 61, 189?

Answer: GCF of 13, 61, 189 is 1.

2. How to Find the GCF of 13, 61, 189

Answer: Greatest Common Factor(GCF) of 13, 61, 189 = 1

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

Step 2: Then multiply all the prime factors GCF(13, 61, 189) = 1.