Greatest Common Factor of 91, 81, 428

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

• Greatest Common Factor of 91, 81, 428 by common division method
• Greatest Common Factor of 91, 81, 428 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 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 81

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

1,3,9,27,81

Factors of 428

List of positive integer factors of 428 that divides 428 without a remainder.

1,2,4,107,214,428

Greatest Common Factor

We found the factors 91,81,428 . The biggest common factor number is the GCF number.
So the greatest common factor 91,81,428 is 1.

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

• GCF of 46, 48, 998
• GCF of 66, 13, 521
• GCF of 16, 78, 871
• GCF of 87, 35, 118
• GCF of 70, 71, 993

1. What is the GCF of 91, 81, 428?

Answer: GCF of 91, 81, 428 is 1.

2. How to Find the GCF of 91, 81, 428

Answer: Greatest Common Factor(GCF) of 91, 81, 428 = 1

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

Step 2: Then multiply all the prime factors GCF(91, 81, 428) = 1.