Greatest Common Factor of 843, 420, 30

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

• Greatest Common Factor of 843, 420, 30 by common division method
• Greatest Common Factor of 843, 420, 30 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 843

List of positive integer factors of 843 that divides 843 without a remainder.

1,3,281,843

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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Greatest Common Factor

We found the factors 843,420,30 . The biggest common factor number is the GCF number.
So the greatest common factor 843,420,30 is 3.

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

• GCF of 483, 551, 76
• GCF of 456, 905, 43
• GCF of 797, 607, 25
• GCF of 564, 235, 11
• GCF of 473, 610, 69

1. What is the GCF of 843, 420, 30?

Answer: GCF of 843, 420, 30 is 3.

2. How to Find the GCF of 843, 420, 30

Answer: Greatest Common Factor(GCF) of 843, 420, 30 = 3

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

Step 2: Then multiply all the prime factors GCF(843, 420, 30) = 3.