Greatest Common Factor of 82, 30, 42, 49

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

• Greatest Common Factor of 82, 30, 42, 49 by common division method
• Greatest Common Factor of 82, 30, 42, 49 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 30

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

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

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Greatest Common Factor

We found the factors 82,30,42,49 . The biggest common factor number is the GCF number.
So the greatest common factor 82,30,42,49 is 1.

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

• GCF of 18, 13, 76, 50
• GCF of 65, 15, 39, 88
• GCF of 92, 27, 73, 34
• GCF of 11, 78, 34, 28
• GCF of 80, 63, 85, 38

1. What is the GCF of 82, 30, 42, 49?

Answer: GCF of 82, 30, 42, 49 is 1.

2. How to Find the GCF of 82, 30, 42, 49

Answer: Greatest Common Factor(GCF) of 82, 30, 42, 49 = 1

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

Step 2: Then multiply all the prime factors GCF(82, 30, 42, 49) = 1.