Greatest Common Factor of 20, 68, 79, 426

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

• Greatest Common Factor of 20, 68, 79, 426 by common division method
• Greatest Common Factor of 20, 68, 79, 426 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 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Factors of 426

List of positive integer factors of 426 that divides 426 without a remainder.

1,2,3,6,71,142,213,426

Greatest Common Factor

We found the factors 20,68,79,426 . The biggest common factor number is the GCF number.
So the greatest common factor 20,68,79,426 is 1.

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

• GCF of 65, 61, 42, 352
• GCF of 57, 54, 52, 310
• GCF of 61, 79, 55, 252
• GCF of 70, 34, 36, 377
• GCF of 42, 84, 97, 436

1. What is the GCF of 20, 68, 79, 426?

Answer: GCF of 20, 68, 79, 426 is 1.

2. How to Find the GCF of 20, 68, 79, 426

Answer: Greatest Common Factor(GCF) of 20, 68, 79, 426 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 68, 79, 426) = 1.