Greatest Common Factor of 42, 15, 117

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

• Greatest Common Factor of 42, 15, 117 by common division method
• Greatest Common Factor of 42, 15, 117 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 117

List of positive integer factors of 117 that divides 117 without a remainder.

1,3,9,13,39,117

Greatest Common Factor

We found the factors 42,15,117 . The biggest common factor number is the GCF number.
So the greatest common factor 42,15,117 is 3.

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

• GCF of 62, 35, 927
• GCF of 76, 98, 777
• GCF of 48, 92, 681
• GCF of 91, 49, 798
• GCF of 56, 50, 273

1. What is the GCF of 42, 15, 117?

Answer: GCF of 42, 15, 117 is 3.

2. How to Find the GCF of 42, 15, 117

Answer: Greatest Common Factor(GCF) of 42, 15, 117 = 3

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

Step 2: Then multiply all the prime factors GCF(42, 15, 117) = 3.