Greatest Common Factor of 399, 303, 20

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

• Greatest Common Factor of 399, 303, 20 by common division method
• Greatest Common Factor of 399, 303, 20 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 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Factors of 303

List of positive integer factors of 303 that divides 303 without a remainder.

1,3,101,303

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 399,303,20 . The biggest common factor number is the GCF number.
So the greatest common factor 399,303,20 is 1.

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

• GCF of 985, 214, 99
• GCF of 544, 430, 61
• GCF of 471, 332, 58
• GCF of 645, 922, 67
• GCF of 751, 710, 48

1. What is the GCF of 399, 303, 20?

Answer: GCF of 399, 303, 20 is 1.

2. How to Find the GCF of 399, 303, 20

Answer: Greatest Common Factor(GCF) of 399, 303, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(399, 303, 20) = 1.