Greatest Common Factor of 20, 133, 423

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

• Greatest Common Factor of 20, 133, 423 by common division method
• Greatest Common Factor of 20, 133, 423 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 133

List of positive integer factors of 133 that divides 133 without a remainder.

1,7,19,133

Factors of 423

List of positive integer factors of 423 that divides 423 without a remainder.

1,3,9,47,141,423

Greatest Common Factor

We found the factors 20,133,423 . The biggest common factor number is the GCF number.
So the greatest common factor 20,133,423 is 1.

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

• GCF of 98, 207, 624
• GCF of 91, 170, 197
• GCF of 83, 741, 335
• GCF of 55, 199, 935
• GCF of 28, 337, 399

1. What is the GCF of 20, 133, 423?

Answer: GCF of 20, 133, 423 is 1.

2. How to Find the GCF of 20, 133, 423

Answer: Greatest Common Factor(GCF) of 20, 133, 423 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 133, 423) = 1.