Greatest Common Factor of 82, 21, 428

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

• Greatest Common Factor of 82, 21, 428 by common division method
• Greatest Common Factor of 82, 21, 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 82

List of positive integer factors of 82 that divides 82 without a remainder.

1,2,41,82

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

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 82,21,428 . The biggest common factor number is the GCF number.
So the greatest common factor 82,21,428 is 1.

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

• GCF of 95, 42, 323
• GCF of 49, 63, 718
• GCF of 59, 74, 712
• GCF of 77, 76, 409
• GCF of 28, 53, 162

1. What is the GCF of 82, 21, 428?

Answer: GCF of 82, 21, 428 is 1.

2. How to Find the GCF of 82, 21, 428

Answer: Greatest Common Factor(GCF) of 82, 21, 428 = 1

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

Step 2: Then multiply all the prime factors GCF(82, 21, 428) = 1.