Greatest Common Factor of 18, 340, 840

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

• Greatest Common Factor of 18, 340, 840 by common division method
• Greatest Common Factor of 18, 340, 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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 340

List of positive integer factors of 340 that divides 340 without a remainder.

1,2,4,5,10,17,20,34,68,85,170,340

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 18,340,840 . The biggest common factor number is the GCF number.
So the greatest common factor 18,340,840 is 2.

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

• GCF of 58, 166, 644
• GCF of 36, 672, 228
• GCF of 80, 170, 126
• GCF of 89, 248, 555
• GCF of 21, 464, 192

1. What is the GCF of 18, 340, 840?

Answer: GCF of 18, 340, 840 is 2.

2. How to Find the GCF of 18, 340, 840

Answer: Greatest Common Factor(GCF) of 18, 340, 840 = 2

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

Step 2: Then multiply all the prime factors GCF(18, 340, 840) = 2.