Greatest Common Factor of 620, 990, 810

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

• Greatest Common Factor of 620, 990, 810 by common division method
• Greatest Common Factor of 620, 990, 810 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 x 5 = 10

Factors of 620

List of positive integer factors of 620 that divides 620 without a remainder.

1,2,4,5,10,20,31,62,124,155,310,620

Factors of 990

List of positive integer factors of 990 that divides 990 without a remainder.

1,2,3,5,6,9,10,11,15,18,22,30,33,45,55,66,90,99,110,165,198,330,495,990

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

Greatest Common Factor

We found the factors 620,990,810 . The biggest common factor number is the GCF number.
So the greatest common factor 620,990,810 is 10.

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

• GCF of 770, 514, 449
• GCF of 569, 976, 676
• GCF of 789, 492, 205
• GCF of 416, 308, 494
• GCF of 755, 990, 913

1. What is the GCF of 620, 990, 810?

Answer: GCF of 620, 990, 810 is 10.

2. How to Find the GCF of 620, 990, 810

Answer: Greatest Common Factor(GCF) of 620, 990, 810 = 10

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

Step 2: Then multiply all the prime factors GCF(620, 990, 810) = 10.