Greatest Common Factor of 49, 42, 61, 82

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

• Greatest Common Factor of 49, 42, 61, 82 by common division method
• Greatest Common Factor of 49, 42, 61, 82 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 49

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

1,7,49

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 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 82

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

1,2,41,82

Greatest Common Factor

We found the factors 49,42,61,82 . The biggest common factor number is the GCF number.
So the greatest common factor 49,42,61,82 is 1.

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

• GCF of 16, 41, 46, 52
• GCF of 58, 99, 91, 97
• GCF of 77, 41, 68, 40
• GCF of 46, 25, 68, 10
• GCF of 70, 53, 22, 96

1. What is the GCF of 49, 42, 61, 82?

Answer: GCF of 49, 42, 61, 82 is 1.

2. How to Find the GCF of 49, 42, 61, 82

Answer: Greatest Common Factor(GCF) of 49, 42, 61, 82 = 1

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

Step 2: Then multiply all the prime factors GCF(49, 42, 61, 82) = 1.