Greatest Common Factor of 45, 69, 55, 189

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

• Greatest Common Factor of 45, 69, 55, 189 by common division method
• Greatest Common Factor of 45, 69, 55, 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

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 45,69,55,189 . The biggest common factor number is the GCF number.
So the greatest common factor 45,69,55,189 is 1.

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

• GCF of 53, 73, 98, 827
• GCF of 46, 74, 83, 908
• GCF of 57, 67, 89, 139
• GCF of 10, 41, 67, 172
• GCF of 63, 64, 91, 173

1. What is the GCF of 45, 69, 55, 189?

Answer: GCF of 45, 69, 55, 189 is 1.

2. How to Find the GCF of 45, 69, 55, 189

Answer: Greatest Common Factor(GCF) of 45, 69, 55, 189 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 69, 55, 189) = 1.