Greatest Common Factor of 30, 91, 86, 71, 76

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

• Greatest Common Factor of 30, 91, 86, 71, 76 by common division method
• Greatest Common Factor of 30, 91, 86, 71, 76 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 91

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

1,7,13,91

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Factors of 71

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

1,71

Factors of 76

List of positive integer factors of 76 that divides 76 without a remainder.

1,2,4,19,38,76

Greatest Common Factor

We found the factors 30,91,86,71,76 . The biggest common factor number is the GCF number.
So the greatest common factor 30,91,86,71,76 is 1.

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

• GCF of 88, 77, 86, 45, 92
• GCF of 81, 75, 54, 51, 31
• GCF of 45, 29, 86, 97, 15
• GCF of 84, 23, 77, 17, 41
• GCF of 18, 43, 57, 96, 95

1. What is the GCF of 30, 91, 86, 71, 76?

Answer: GCF of 30, 91, 86, 71, 76 is 1.

2. How to Find the GCF of 30, 91, 86, 71, 76

Answer: Greatest Common Factor(GCF) of 30, 91, 86, 71, 76 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 91, 86, 71, 76) = 1.