Greatest Common Factor of 28, 14, 40, 840

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

• Greatest Common Factor of 28, 14, 40, 840 by common division method
• Greatest Common Factor of 28, 14, 40, 840 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 14

List of positive integer factors of 14 that divides 14 without a remainder.

1,2,7,14

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 840

List of positive integer factors of 840 that divides 840 without a remainder.

1,2,3,4,5,6,7,8,10,12,14,15,20,21,24,28,30,35,40,42,56,60,70,84,105,120,140,168,210,280,420,840

Greatest Common Factor

We found the factors 28,14,40,840 . The biggest common factor number is the GCF number.
So the greatest common factor 28,14,40,840 is 2.

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

• GCF of 68, 86, 60, 233
• GCF of 28, 77, 59, 794
• GCF of 60, 70, 64, 719
• GCF of 46, 16, 72, 935
• GCF of 49, 74, 75, 952

1. What is the GCF of 28, 14, 40, 840?

Answer: GCF of 28, 14, 40, 840 is 2.

2. How to Find the GCF of 28, 14, 40, 840

Answer: Greatest Common Factor(GCF) of 28, 14, 40, 840 = 2

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

Step 2: Then multiply all the prime factors GCF(28, 14, 40, 840) = 2.