Greatest Common Factor of 69, 18, 89, 45

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

• Greatest Common Factor of 69, 18, 89, 45 by common division method
• Greatest Common Factor of 69, 18, 89, 45 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 69

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

1,3,23,69

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Factors of 45

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

1,3,5,9,15,45

Greatest Common Factor

We found the factors 69,18,89,45 . The biggest common factor number is the GCF number.
So the greatest common factor 69,18,89,45 is 1.

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

• GCF of 62, 53, 77, 67
• GCF of 43, 53, 16, 99
• GCF of 41, 93, 21, 59
• GCF of 88, 70, 96, 57
• GCF of 50, 11, 47, 10

1. What is the GCF of 69, 18, 89, 45?

Answer: GCF of 69, 18, 89, 45 is 1.

2. How to Find the GCF of 69, 18, 89, 45

Answer: Greatest Common Factor(GCF) of 69, 18, 89, 45 = 1

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

Step 2: Then multiply all the prime factors GCF(69, 18, 89, 45) = 1.