Greatest Common Factor of 20, 77, 78, 326

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

• Greatest Common Factor of 20, 77, 78, 326 by common division method
• Greatest Common Factor of 20, 77, 78, 326 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 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 326

List of positive integer factors of 326 that divides 326 without a remainder.

1,2,163,326

Greatest Common Factor

We found the factors 20,77,78,326 . The biggest common factor number is the GCF number.
So the greatest common factor 20,77,78,326 is 1.

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

• GCF of 26, 83, 74, 727
• GCF of 63, 86, 93, 239
• GCF of 58, 14, 78, 917
• GCF of 89, 84, 23, 904
• GCF of 42, 85, 64, 251

1. What is the GCF of 20, 77, 78, 326?

Answer: GCF of 20, 77, 78, 326 is 1.

2. How to Find the GCF of 20, 77, 78, 326

Answer: Greatest Common Factor(GCF) of 20, 77, 78, 326 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 77, 78, 326) = 1.