Greatest Common Factor of 20, 258, 397

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

• Greatest Common Factor of 20, 258, 397 by common division method
• Greatest Common Factor of 20, 258, 397 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 258

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

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

Factors of 397

List of positive integer factors of 397 that divides 397 without a remainder.

1,397

Greatest Common Factor

We found the factors 20,258,397 . The biggest common factor number is the GCF number.
So the greatest common factor 20,258,397 is 1.

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

• GCF of 42, 810, 482
• GCF of 77, 776, 455
• GCF of 55, 385, 376
• GCF of 66, 343, 854
• GCF of 63, 449, 741

1. What is the GCF of 20, 258, 397?

Answer: GCF of 20, 258, 397 is 1.

2. How to Find the GCF of 20, 258, 397

Answer: Greatest Common Factor(GCF) of 20, 258, 397 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 258, 397) = 1.