Greatest Common Factor of 66, 89, 13, 67

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

• Greatest Common Factor of 66, 89, 13, 67 by common division method
• Greatest Common Factor of 66, 89, 13, 67 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 89

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

1,89

Factors of 13

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

1,13

Factors of 67

List of positive integer factors of 67 that divides 67 without a remainder.

1,67

Greatest Common Factor

We found the factors 66,89,13,67 . The biggest common factor number is the GCF number.
So the greatest common factor 66,89,13,67 is 1.

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

• GCF of 21, 81, 43, 21
• GCF of 33, 90, 87, 91
• GCF of 68, 77, 62, 21
• GCF of 16, 17, 81, 85
• GCF of 44, 37, 76, 73

1. What is the GCF of 66, 89, 13, 67?

Answer: GCF of 66, 89, 13, 67 is 1.

2. How to Find the GCF of 66, 89, 13, 67

Answer: Greatest Common Factor(GCF) of 66, 89, 13, 67 = 1

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

Step 2: Then multiply all the prime factors GCF(66, 89, 13, 67) = 1.