Greatest Common Factor of 20, 15, 56, 514

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

• Greatest Common Factor of 20, 15, 56, 514 by common division method
• Greatest Common Factor of 20, 15, 56, 514 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Factors of 514

List of positive integer factors of 514 that divides 514 without a remainder.

1,2,257,514

Greatest Common Factor

We found the factors 20,15,56,514 . The biggest common factor number is the GCF number.
So the greatest common factor 20,15,56,514 is 1.

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

• GCF of 65, 19, 78, 310
• GCF of 72, 16, 29, 654
• GCF of 51, 44, 82, 100
• GCF of 72, 87, 28, 554
• GCF of 84, 40, 70, 222

1. What is the GCF of 20, 15, 56, 514?

Answer: GCF of 20, 15, 56, 514 is 1.

2. How to Find the GCF of 20, 15, 56, 514

Answer: Greatest Common Factor(GCF) of 20, 15, 56, 514 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 15, 56, 514) = 1.