Greatest Common Factor of 20, 38, 515

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

• Greatest Common Factor of 20, 38, 515 by common division method
• Greatest Common Factor of 20, 38, 515 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 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 515

List of positive integer factors of 515 that divides 515 without a remainder.

1,5,103,515

Greatest Common Factor

We found the factors 20,38,515 . The biggest common factor number is the GCF number.
So the greatest common factor 20,38,515 is 1.

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

• GCF of 98, 53, 513
• GCF of 94, 12, 246
• GCF of 92, 12, 162
• GCF of 34, 38, 418
• GCF of 66, 76, 670

1. What is the GCF of 20, 38, 515?

Answer: GCF of 20, 38, 515 is 1.

2. How to Find the GCF of 20, 38, 515

Answer: Greatest Common Factor(GCF) of 20, 38, 515 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 38, 515) = 1.