Greatest Common Factor of 831, 891, 420

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

• Greatest Common Factor of 831, 891, 420 by common division method
• Greatest Common Factor of 831, 891, 420 with matching the biggest common factor

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

Factors of 831

List of positive integer factors of 831 that divides 831 without a remainder.

1,3,277,831

Factors of 891

List of positive integer factors of 891 that divides 891 without a remainder.

1,3,9,11,27,33,81,99,297,891

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

Greatest Common Factor

We found the factors 831,891,420 . The biggest common factor number is the GCF number.
So the greatest common factor 831,891,420 is 3.

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

• GCF of 171, 189, 662
• GCF of 481, 191, 197
• GCF of 155, 770, 373
• GCF of 833, 581, 155
• GCF of 560, 160, 899

1. What is the GCF of 831, 891, 420?

Answer: GCF of 831, 891, 420 is 3.

2. How to Find the GCF of 831, 891, 420

Answer: Greatest Common Factor(GCF) of 831, 891, 420 = 3

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

Step 2: Then multiply all the prime factors GCF(831, 891, 420) = 3.