Greatest Common Factor of 389, 420, 423

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

• Greatest Common Factor of 389, 420, 423 by common division method
• Greatest Common Factor of 389, 420, 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 389

List of positive integer factors of 389 that divides 389 without a remainder.

1,389

Factors of 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

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 389,420,423 . The biggest common factor number is the GCF number.
So the greatest common factor 389,420,423 is 1.

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

• GCF of 241, 684, 806
• GCF of 698, 963, 593
• GCF of 878, 759, 866
• GCF of 104, 544, 418
• GCF of 953, 347, 423

1. What is the GCF of 389, 420, 423?

Answer: GCF of 389, 420, 423 is 1.

2. How to Find the GCF of 389, 420, 423

Answer: Greatest Common Factor(GCF) of 389, 420, 423 = 1

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

Step 2: Then multiply all the prime factors GCF(389, 420, 423) = 1.