Greatest Common Factor of 20, 66, 397

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

• Greatest Common Factor of 20, 66, 397 by common division method
• Greatest Common Factor of 20, 66, 397 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

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 20,66,397 . The biggest common factor number is the GCF number.
So the greatest common factor 20,66,397 is 1.

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

• GCF of 64, 59, 684
• GCF of 85, 96, 984
• GCF of 60, 42, 614
• GCF of 97, 79, 231
• GCF of 28, 25, 816

1. What is the GCF of 20, 66, 397?

Answer: GCF of 20, 66, 397 is 1.

2. How to Find the GCF of 20, 66, 397

Answer: Greatest Common Factor(GCF) of 20, 66, 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, 66, 397) = 1.