Greatest Common Factor of 840, 207, 87

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

• Greatest Common Factor of 840, 207, 87 by common division method
• Greatest Common Factor of 840, 207, 87 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

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

Factors of 207

List of positive integer factors of 207 that divides 207 without a remainder.

1,3,9,23,69,207

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Greatest Common Factor

We found the factors 840,207,87 . The biggest common factor number is the GCF number.
So the greatest common factor 840,207,87 is 3.

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

• GCF of 436, 393, 83
• GCF of 382, 574, 74
• GCF of 639, 211, 27
• GCF of 838, 645, 39
• GCF of 303, 484, 18

1. What is the GCF of 840, 207, 87?

Answer: GCF of 840, 207, 87 is 3.

2. How to Find the GCF of 840, 207, 87

Answer: Greatest Common Factor(GCF) of 840, 207, 87 = 3

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

Step 2: Then multiply all the prime factors GCF(840, 207, 87) = 3.