Greatest Common Factor of 78, 20, 258

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

• Greatest Common Factor of 78, 20, 258 by common division method
• Greatest Common Factor of 78, 20, 258 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 258

List of positive integer factors of 258 that divides 258 without a remainder.

1,2,3,6,43,86,129,258

Greatest Common Factor

We found the factors 78,20,258 . The biggest common factor number is the GCF number.
So the greatest common factor 78,20,258 is 2.

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

• GCF of 99, 14, 266
• GCF of 50, 77, 314
• GCF of 88, 28, 372
• GCF of 50, 63, 585
• GCF of 86, 50, 741

1. What is the GCF of 78, 20, 258?

Answer: GCF of 78, 20, 258 is 2.

2. How to Find the GCF of 78, 20, 258

Answer: Greatest Common Factor(GCF) of 78, 20, 258 = 2

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

Step 2: Then multiply all the prime factors GCF(78, 20, 258) = 2.