Greatest Common Factor of 25, 66, 18, 805

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

• Greatest Common Factor of 25, 66, 18, 805 by common division method
• Greatest Common Factor of 25, 66, 18, 805 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 25

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

1,5,25

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 18

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

1,2,3,6,9,18

Factors of 805

List of positive integer factors of 805 that divides 805 without a remainder.

1,5,7,23,35,115,161,805

Greatest Common Factor

We found the factors 25,66,18,805 . The biggest common factor number is the GCF number.
So the greatest common factor 25,66,18,805 is 1.

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

• GCF of 85, 18, 23, 425
• GCF of 12, 47, 77, 350
• GCF of 45, 86, 18, 147
• GCF of 45, 37, 95, 701
• GCF of 94, 78, 50, 342

1. What is the GCF of 25, 66, 18, 805?

Answer: GCF of 25, 66, 18, 805 is 1.

2. How to Find the GCF of 25, 66, 18, 805

Answer: Greatest Common Factor(GCF) of 25, 66, 18, 805 = 1

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

Step 2: Then multiply all the prime factors GCF(25, 66, 18, 805) = 1.