Greatest Common Factor of 42, 21, 27, 219

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

• Greatest Common Factor of 42, 21, 27, 219 by common division method
• Greatest Common Factor of 42, 21, 27, 219 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 27

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

1,3,9,27

Factors of 219

List of positive integer factors of 219 that divides 219 without a remainder.

1,3,73,219

Greatest Common Factor

We found the factors 42,21,27,219 . The biggest common factor number is the GCF number.
So the greatest common factor 42,21,27,219 is 3.

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

• GCF of 37, 52, 55, 147
• GCF of 65, 41, 13, 752
• GCF of 26, 73, 83, 683
• GCF of 80, 84, 76, 875
• GCF of 61, 33, 32, 596

1. What is the GCF of 42, 21, 27, 219?

Answer: GCF of 42, 21, 27, 219 is 3.

2. How to Find the GCF of 42, 21, 27, 219

Answer: Greatest Common Factor(GCF) of 42, 21, 27, 219 = 3

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

Step 2: Then multiply all the prime factors GCF(42, 21, 27, 219) = 3.