Greatest Common Factor of 85, 49, 73, 30

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

• Greatest Common Factor of 85, 49, 73, 30 by common division method
• Greatest Common Factor of 85, 49, 73, 30 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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 49

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

1,7,49

Factors of 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Factors of 30

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

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

Greatest Common Factor

We found the factors 85,49,73,30 . The biggest common factor number is the GCF number.
So the greatest common factor 85,49,73,30 is 1.

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

• GCF of 26, 89, 33, 60
• GCF of 99, 63, 28, 70
• GCF of 71, 31, 47, 63
• GCF of 90, 83, 86, 82
• GCF of 26, 88, 43, 78

1. What is the GCF of 85, 49, 73, 30?

Answer: GCF of 85, 49, 73, 30 is 1.

2. How to Find the GCF of 85, 49, 73, 30

Answer: Greatest Common Factor(GCF) of 85, 49, 73, 30 = 1

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

Step 2: Then multiply all the prime factors GCF(85, 49, 73, 30) = 1.