Greatest Common Factor of 42, 15, 48, 135

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

• Greatest Common Factor of 42, 15, 48, 135 by common division method
• Greatest Common Factor of 42, 15, 48, 135 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 15

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

1,3,5,15

Factors of 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

Factors of 135

List of positive integer factors of 135 that divides 135 without a remainder.

1,3,5,9,15,27,45,135

Greatest Common Factor

We found the factors 42,15,48,135 . The biggest common factor number is the GCF number.
So the greatest common factor 42,15,48,135 is 3.

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

• GCF of 82, 39, 85, 486
• GCF of 10, 61, 96, 840
• GCF of 42, 69, 72, 798
• GCF of 51, 58, 69, 619
• GCF of 27, 98, 11, 695

1. What is the GCF of 42, 15, 48, 135?

Answer: GCF of 42, 15, 48, 135 is 3.

2. How to Find the GCF of 42, 15, 48, 135

Answer: Greatest Common Factor(GCF) of 42, 15, 48, 135 = 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, 48, 135) = 3.