Greatest Common Factor of 42, 27, 747

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

• Greatest Common Factor of 42, 27, 747 by common division method
• Greatest Common Factor of 42, 27, 747 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 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 747

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

1,3,9,83,249,747

Greatest Common Factor

We found the factors 42,27,747 . The biggest common factor number is the GCF number.
So the greatest common factor 42,27,747 is 3.

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

• GCF of 96, 33, 338
• GCF of 40, 43, 224
• GCF of 36, 77, 972
• GCF of 61, 70, 412
• GCF of 21, 74, 253

1. What is the GCF of 42, 27, 747?

Answer: GCF of 42, 27, 747 is 3.

2. How to Find the GCF of 42, 27, 747

Answer: Greatest Common Factor(GCF) of 42, 27, 747 = 3

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

Step 2: Then multiply all the prime factors GCF(42, 27, 747) = 3.