Greatest Common Factor of 810, 222, 642

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

• Greatest Common Factor of 810, 222, 642 by common division method
• Greatest Common Factor of 810, 222, 642 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 x 3 = 6

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 222

List of positive integer factors of 222 that divides 222 without a remainder.

1,2,3,6,37,74,111,222

Factors of 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Greatest Common Factor

We found the factors 810,222,642 . The biggest common factor number is the GCF number.
So the greatest common factor 810,222,642 is 6.

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

• GCF of 662, 845, 838
• GCF of 650, 421, 775
• GCF of 753, 381, 701
• GCF of 776, 287, 239
• GCF of 162, 412, 341

1. What is the GCF of 810, 222, 642?

Answer: GCF of 810, 222, 642 is 6.

2. How to Find the GCF of 810, 222, 642

Answer: Greatest Common Factor(GCF) of 810, 222, 642 = 6

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

Step 2: Then multiply all the prime factors GCF(810, 222, 642) = 6.