Greatest Common Factor of 42, 747, 810

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

• Greatest Common Factor of 42, 747, 810 by common division method
• Greatest Common Factor of 42, 747, 810 with matching the biggest common factor

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

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 747

List of positive integer factors of 747 that divides 747 without a remainder.

1,3,9,83,249,747

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 42,747,810 . The biggest common factor number is the GCF number.
So the greatest common factor 42,747,810 is 3.

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

• GCF of 97, 212, 100
• GCF of 50, 700, 936
• GCF of 34, 467, 130
• GCF of 56, 236, 944
• GCF of 38, 145, 352

1. What is the GCF of 42, 747, 810?

Answer: GCF of 42, 747, 810 is 3.

2. How to Find the GCF of 42, 747, 810

Answer: Greatest Common Factor(GCF) of 42, 747, 810 = 3

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

Step 2: Then multiply all the prime factors GCF(42, 747, 810) = 3.