Greatest Common Factor of 30, 50, 91, 71

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

• Greatest Common Factor of 30, 50, 91, 71 by common division method
• Greatest Common Factor of 30, 50, 91, 71 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 50

List of positive integer factors of 50 that divides 50 without a remainder.

1,2,5,10,25,50

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Greatest Common Factor

We found the factors 30,50,91,71 . The biggest common factor number is the GCF number.
So the greatest common factor 30,50,91,71 is 1.

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

• GCF of 84, 49, 92, 92
• GCF of 71, 54, 91, 70
• GCF of 82, 32, 82, 62
• GCF of 18, 48, 76, 44
• GCF of 28, 85, 49, 78

1. What is the GCF of 30, 50, 91, 71?

Answer: GCF of 30, 50, 91, 71 is 1.

2. How to Find the GCF of 30, 50, 91, 71

Answer: Greatest Common Factor(GCF) of 30, 50, 91, 71 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 50, 91, 71) = 1.