Greatest Common Factor of 20, 74, 309

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

• Greatest Common Factor of 20, 74, 309 by common division method
• Greatest Common Factor of 20, 74, 309 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 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 309

List of positive integer factors of 309 that divides 309 without a remainder.

1,3,103,309

Greatest Common Factor

We found the factors 20,74,309 . The biggest common factor number is the GCF number.
So the greatest common factor 20,74,309 is 1.

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

• GCF of 52, 59, 367
• GCF of 44, 13, 708
• GCF of 43, 69, 199
• GCF of 12, 24, 502
• GCF of 34, 92, 604

1. What is the GCF of 20, 74, 309?

Answer: GCF of 20, 74, 309 is 1.

2. How to Find the GCF of 20, 74, 309

Answer: Greatest Common Factor(GCF) of 20, 74, 309 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 74, 309) = 1.