Greatest Common Factor of 420, 478, 923

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

• Greatest Common Factor of 420, 478, 923 by common division method
• Greatest Common Factor of 420, 478, 923 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 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 478

List of positive integer factors of 478 that divides 478 without a remainder.

1,2,239,478

Factors of 923

List of positive integer factors of 923 that divides 923 without a remainder.

1,13,71,923

Greatest Common Factor

We found the factors 420,478,923 . The biggest common factor number is the GCF number.
So the greatest common factor 420,478,923 is 1.

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

• GCF of 499, 673, 849
• GCF of 617, 315, 492
• GCF of 965, 161, 695
• GCF of 438, 217, 379
• GCF of 642, 874, 881

1. What is the GCF of 420, 478, 923?

Answer: GCF of 420, 478, 923 is 1.

2. How to Find the GCF of 420, 478, 923

Answer: Greatest Common Factor(GCF) of 420, 478, 923 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 478, 923) = 1.