Greatest Common Factor of 991, 920, 691

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

• Greatest Common Factor of 991, 920, 691 by common division method
• Greatest Common Factor of 991, 920, 691 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 991

List of positive integer factors of 991 that divides 991 without a remainder.

1,991

Factors of 920

List of positive integer factors of 920 that divides 920 without a remainder.

1,2,4,5,8,10,20,23,40,46,92,115,184,230,460,920

Factors of 691

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

1,691

Greatest Common Factor

We found the factors 991,920,691 . The biggest common factor number is the GCF number.
So the greatest common factor 991,920,691 is 1.

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

• GCF of 253, 299, 306
• GCF of 605, 939, 523
• GCF of 802, 381, 736
• GCF of 612, 244, 552
• GCF of 590, 948, 860

1. What is the GCF of 991, 920, 691?

Answer: GCF of 991, 920, 691 is 1.

2. How to Find the GCF of 991, 920, 691

Answer: Greatest Common Factor(GCF) of 991, 920, 691 = 1

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

Step 2: Then multiply all the prime factors GCF(991, 920, 691) = 1.