Greatest Common Factor of 306, 680, 424, 20

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

• Greatest Common Factor of 306, 680, 424, 20 by common division method
• Greatest Common Factor of 306, 680, 424, 20 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 306

List of positive integer factors of 306 that divides 306 without a remainder.

1,2,3,6,9,17,18,34,51,102,153,306

Factors of 680

List of positive integer factors of 680 that divides 680 without a remainder.

1,2,4,5,8,10,17,20,34,40,68,85,136,170,340,680

Factors of 424

List of positive integer factors of 424 that divides 424 without a remainder.

1,2,4,8,53,106,212,424

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 306,680,424,20 . The biggest common factor number is the GCF number.
So the greatest common factor 306,680,424,20 is 2.

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

• GCF of 343, 641, 436, 34
• GCF of 759, 576, 649, 79
• GCF of 355, 415, 250, 77
• GCF of 754, 322, 948, 64
• GCF of 929, 197, 966, 90

1. What is the GCF of 306, 680, 424, 20?

Answer: GCF of 306, 680, 424, 20 is 2.

2. How to Find the GCF of 306, 680, 424, 20

Answer: Greatest Common Factor(GCF) of 306, 680, 424, 20 = 2

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

Step 2: Then multiply all the prime factors GCF(306, 680, 424, 20) = 2.