Greatest Common Factor of 991, 581, 129

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

• Greatest Common Factor of 991, 581, 129 by common division method
• Greatest Common Factor of 991, 581, 129 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 581

List of positive integer factors of 581 that divides 581 without a remainder.

1,7,83,581

Factors of 129

List of positive integer factors of 129 that divides 129 without a remainder.

1,3,43,129

Greatest Common Factor

We found the factors 991,581,129 . The biggest common factor number is the GCF number.
So the greatest common factor 991,581,129 is 1.

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

• GCF of 169, 635, 715
• GCF of 425, 632, 786
• GCF of 947, 956, 897
• GCF of 563, 874, 870
• GCF of 770, 214, 152

1. What is the GCF of 991, 581, 129?

Answer: GCF of 991, 581, 129 is 1.

2. How to Find the GCF of 991, 581, 129

Answer: Greatest Common Factor(GCF) of 991, 581, 129 = 1

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

Step 2: Then multiply all the prime factors GCF(991, 581, 129) = 1.