Greatest Common Factor of 30, 36, 20, 684

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

• Greatest Common Factor of 30, 36, 20, 684 by common division method
• Greatest Common Factor of 30, 36, 20, 684 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 = 2

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 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 684

List of positive integer factors of 684 that divides 684 without a remainder.

1,2,3,4,6,9,12,18,19,36,38,57,76,114,171,228,342,684

Greatest Common Factor

We found the factors 30,36,20,684 . The biggest common factor number is the GCF number.
So the greatest common factor 30,36,20,684 is 2.

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

• GCF of 65, 92, 54, 721
• GCF of 55, 84, 63, 633
• GCF of 15, 57, 24, 891
• GCF of 68, 80, 74, 605
• GCF of 19, 91, 70, 996

1. What is the GCF of 30, 36, 20, 684?

Answer: GCF of 30, 36, 20, 684 is 2.

2. How to Find the GCF of 30, 36, 20, 684

Answer: Greatest Common Factor(GCF) of 30, 36, 20, 684 = 2

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

Step 2: Then multiply all the prime factors GCF(30, 36, 20, 684) = 2.