Greatest Common Factor of 66, 13, 397

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

• Greatest Common Factor of 66, 13, 397 by common division method
• Greatest Common Factor of 66, 13, 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 66

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

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

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

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 66,13,397 . The biggest common factor number is the GCF number.
So the greatest common factor 66,13,397 is 1.

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

• GCF of 63, 74, 547
• GCF of 74, 25, 191
• GCF of 94, 72, 499
• GCF of 19, 80, 611
• GCF of 74, 39, 986

1. What is the GCF of 66, 13, 397?

Answer: GCF of 66, 13, 397 is 1.

2. How to Find the GCF of 66, 13, 397

Answer: Greatest Common Factor(GCF) of 66, 13, 397 = 1

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

Step 2: Then multiply all the prime factors GCF(66, 13, 397) = 1.