Greatest Common Factor of 810, 728, 70

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

• Greatest Common Factor of 810, 728, 70 by common division method
• Greatest Common Factor of 810, 728, 70 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

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 728

List of positive integer factors of 728 that divides 728 without a remainder.

1,2,4,7,8,13,14,26,28,52,56,91,104,182,364,728

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Greatest Common Factor

We found the factors 810,728,70 . The biggest common factor number is the GCF number.
So the greatest common factor 810,728,70 is 2.

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

• GCF of 608, 681, 13
• GCF of 360, 560, 76
• GCF of 298, 695, 12
• GCF of 350, 382, 29
• GCF of 485, 842, 19

1. What is the GCF of 810, 728, 70?

Answer: GCF of 810, 728, 70 is 2.

2. How to Find the GCF of 810, 728, 70

Answer: Greatest Common Factor(GCF) of 810, 728, 70 = 2

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

Step 2: Then multiply all the prime factors GCF(810, 728, 70) = 2.