Greatest Common Factor of 20, 69, 91, 310

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

• Greatest Common Factor of 20, 69, 91, 310 by common division method
• Greatest Common Factor of 20, 69, 91, 310 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 91

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

1,7,13,91

Factors of 310

List of positive integer factors of 310 that divides 310 without a remainder.

1,2,5,10,31,62,155,310

Greatest Common Factor

We found the factors 20,69,91,310 . The biggest common factor number is the GCF number.
So the greatest common factor 20,69,91,310 is 1.

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

• GCF of 83, 21, 30, 506
• GCF of 51, 70, 79, 569
• GCF of 71, 13, 33, 524
• GCF of 22, 12, 28, 562
• GCF of 40, 93, 80, 547

1. What is the GCF of 20, 69, 91, 310?

Answer: GCF of 20, 69, 91, 310 is 1.

2. How to Find the GCF of 20, 69, 91, 310

Answer: Greatest Common Factor(GCF) of 20, 69, 91, 310 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 69, 91, 310) = 1.