Greatest Common Factor of 30, 81, 82, 423

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

• Greatest Common Factor of 30, 81, 82, 423 by common division method
• Greatest Common Factor of 30, 81, 82, 423 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 81

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

1,3,9,27,81

Factors of 82

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

1,2,41,82

Factors of 423

List of positive integer factors of 423 that divides 423 without a remainder.

1,3,9,47,141,423

Greatest Common Factor

We found the factors 30,81,82,423 . The biggest common factor number is the GCF number.
So the greatest common factor 30,81,82,423 is 1.

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

• GCF of 79, 22, 14, 711
• GCF of 45, 81, 32, 558
• GCF of 39, 28, 30, 992
• GCF of 14, 90, 27, 384
• GCF of 26, 21, 89, 766

1. What is the GCF of 30, 81, 82, 423?

Answer: GCF of 30, 81, 82, 423 is 1.

2. How to Find the GCF of 30, 81, 82, 423

Answer: Greatest Common Factor(GCF) of 30, 81, 82, 423 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 81, 82, 423) = 1.