Greatest Common Factor of 81, 12, 65, 695

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

• Greatest Common Factor of 81, 12, 65, 695 by common division method
• Greatest Common Factor of 81, 12, 65, 695 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 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 695

List of positive integer factors of 695 that divides 695 without a remainder.

1,5,139,695

Greatest Common Factor

We found the factors 81,12,65,695 . The biggest common factor number is the GCF number.
So the greatest common factor 81,12,65,695 is 1.

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

• GCF of 30, 76, 48, 128
• GCF of 16, 65, 62, 230
• GCF of 46, 96, 71, 849
• GCF of 29, 34, 70, 560
• GCF of 95, 48, 43, 409

1. What is the GCF of 81, 12, 65, 695?

Answer: GCF of 81, 12, 65, 695 is 1.

2. How to Find the GCF of 81, 12, 65, 695

Answer: Greatest Common Factor(GCF) of 81, 12, 65, 695 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 12, 65, 695) = 1.