Greatest Common Factor of 30, 84, 69, 387

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

• Greatest Common Factor of 30, 84, 69, 387 by common division method
• Greatest Common Factor of 30, 84, 69, 387 with matching the biggest common factor

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

Factors of 30

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

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

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 387

List of positive integer factors of 387 that divides 387 without a remainder.

1,3,9,43,129,387

Greatest Common Factor

We found the factors 30,84,69,387 . The biggest common factor number is the GCF number.
So the greatest common factor 30,84,69,387 is 3.

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

• GCF of 11, 75, 80, 218
• GCF of 91, 82, 18, 831
• GCF of 73, 52, 29, 850
• GCF of 99, 28, 16, 910
• GCF of 67, 48, 56, 253

1. What is the GCF of 30, 84, 69, 387?

Answer: GCF of 30, 84, 69, 387 is 3.

2. How to Find the GCF of 30, 84, 69, 387

Answer: Greatest Common Factor(GCF) of 30, 84, 69, 387 = 3

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

Step 2: Then multiply all the prime factors GCF(30, 84, 69, 387) = 3.