Greatest Common Factor of 12, 40, 84, 56

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

• Greatest Common Factor of 12, 40, 84, 56 by common division method
• Greatest Common Factor of 12, 40, 84, 56 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 x 2 = 4

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

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 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Greatest Common Factor

We found the factors 12,40,84,56 . The biggest common factor number is the GCF number.
So the greatest common factor 12,40,84,56 is 4.

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

• GCF of 85, 32, 90, 67
• GCF of 54, 16, 56, 75
• GCF of 68, 38, 95, 19
• GCF of 87, 52, 35, 67
• GCF of 10, 23, 16, 62

1. What is the GCF of 12, 40, 84, 56?

Answer: GCF of 12, 40, 84, 56 is 4.

2. How to Find the GCF of 12, 40, 84, 56

Answer: Greatest Common Factor(GCF) of 12, 40, 84, 56 = 4

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

Step 2: Then multiply all the prime factors GCF(12, 40, 84, 56) = 4.