Greatest Common Factor of 820, 12, 810, 398

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

• Greatest Common Factor of 820, 12, 810, 398 by common division method
• Greatest Common Factor of 820, 12, 810, 398 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 820

List of positive integer factors of 820 that divides 820 without a remainder.

1,2,4,5,10,20,41,82,164,205,410,820

Factors of 12

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

1,2,3,4,6,12

Factors of 810

List of positive integer factors of 810 that divides 810 without a remainder.

1,2,3,5,6,9,10,15,18,27,30,45,54,81,90,135,162,270,405,810

Factors of 398

List of positive integer factors of 398 that divides 398 without a remainder.

1,2,199,398

Greatest Common Factor

We found the factors 820,12,810,398 . The biggest common factor number is the GCF number.
So the greatest common factor 820,12,810,398 is 2.

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

• GCF of 158, 73, 526, 519
• GCF of 431, 26, 698, 120
• GCF of 109, 24, 170, 196
• GCF of 456, 16, 746, 783
• GCF of 992, 43, 551, 600

1. What is the GCF of 820, 12, 810, 398?

Answer: GCF of 820, 12, 810, 398 is 2.

2. How to Find the GCF of 820, 12, 810, 398

Answer: Greatest Common Factor(GCF) of 820, 12, 810, 398 = 2

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

Step 2: Then multiply all the prime factors GCF(820, 12, 810, 398) = 2.