Greatest Common Factor of 20, 61, 219

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

• Greatest Common Factor of 20, 61, 219 by common division method
• Greatest Common Factor of 20, 61, 219 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 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 219

List of positive integer factors of 219 that divides 219 without a remainder.

1,3,73,219

Greatest Common Factor

We found the factors 20,61,219 . The biggest common factor number is the GCF number.
So the greatest common factor 20,61,219 is 1.

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

• GCF of 27, 28, 660
• GCF of 31, 32, 518
• GCF of 84, 99, 986
• GCF of 42, 52, 268
• GCF of 22, 22, 528

1. What is the GCF of 20, 61, 219?

Answer: GCF of 20, 61, 219 is 1.

2. How to Find the GCF of 20, 61, 219

Answer: Greatest Common Factor(GCF) of 20, 61, 219 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 61, 219) = 1.