Greatest Common Factor of 691, 997, 81

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

• Greatest Common Factor of 691, 997, 81 by common division method
• Greatest Common Factor of 691, 997, 81 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 691

List of positive integer factors of 691 that divides 691 without a remainder.

1,691

Factors of 997

List of positive integer factors of 997 that divides 997 without a remainder.

1,997

Factors of 81

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

1,3,9,27,81

Greatest Common Factor

We found the factors 691,997,81 . The biggest common factor number is the GCF number.
So the greatest common factor 691,997,81 is 1.

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

• GCF of 334, 346, 59
• GCF of 195, 376, 13
• GCF of 303, 611, 25
• GCF of 736, 187, 58
• GCF of 291, 384, 12

1. What is the GCF of 691, 997, 81?

Answer: GCF of 691, 997, 81 is 1.

2. How to Find the GCF of 691, 997, 81

Answer: Greatest Common Factor(GCF) of 691, 997, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(691, 997, 81) = 1.