Greatest Common Factor of 20, 74, 815

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

• Greatest Common Factor of 20, 74, 815 by common division method
• Greatest Common Factor of 20, 74, 815 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 815

List of positive integer factors of 815 that divides 815 without a remainder.

1,5,163,815

Greatest Common Factor

We found the factors 20,74,815 . The biggest common factor number is the GCF number.
So the greatest common factor 20,74,815 is 1.

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

• GCF of 10, 66, 287
• GCF of 73, 36, 392
• GCF of 31, 84, 263
• GCF of 73, 43, 725
• GCF of 49, 68, 500

1. What is the GCF of 20, 74, 815?

Answer: GCF of 20, 74, 815 is 1.

2. How to Find the GCF of 20, 74, 815

Answer: Greatest Common Factor(GCF) of 20, 74, 815 = 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, 815) = 1.