Greatest Common Factor of 66, 17, 90, 89

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

• Greatest Common Factor of 66, 17, 90, 89 by common division method
• Greatest Common Factor of 66, 17, 90, 89 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 66

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

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

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 89

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

1,89

Greatest Common Factor

We found the factors 66,17,90,89 . The biggest common factor number is the GCF number.
So the greatest common factor 66,17,90,89 is 1.

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

• GCF of 42, 44, 46, 32
• GCF of 73, 55, 35, 30
• GCF of 87, 26, 15, 83
• GCF of 96, 61, 70, 72
• GCF of 70, 16, 56, 80

1. What is the GCF of 66, 17, 90, 89?

Answer: GCF of 66, 17, 90, 89 is 1.

2. How to Find the GCF of 66, 17, 90, 89

Answer: Greatest Common Factor(GCF) of 66, 17, 90, 89 = 1

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

Step 2: Then multiply all the prime factors GCF(66, 17, 90, 89) = 1.