Greatest Common Factor of 89, 66, 25, 18

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

• Greatest Common Factor of 89, 66, 25, 18 by common division method
• Greatest Common Factor of 89, 66, 25, 18 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 89

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

1,89

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 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 18

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

1,2,3,6,9,18

Greatest Common Factor

We found the factors 89,66,25,18 . The biggest common factor number is the GCF number.
So the greatest common factor 89,66,25,18 is 1.

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

• GCF of 65, 94, 24, 19
• GCF of 62, 34, 31, 26
• GCF of 85, 46, 72, 92
• GCF of 28, 36, 86, 92
• GCF of 25, 96, 15, 40

1. What is the GCF of 89, 66, 25, 18?

Answer: GCF of 89, 66, 25, 18 is 1.

2. How to Find the GCF of 89, 66, 25, 18

Answer: Greatest Common Factor(GCF) of 89, 66, 25, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(89, 66, 25, 18) = 1.