Greatest Common Factor of 42, 80, 342

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

• Greatest Common Factor of 42, 80, 342 by common division method
• Greatest Common Factor of 42, 80, 342 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 = 2

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 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 342

List of positive integer factors of 342 that divides 342 without a remainder.

1,2,3,6,9,18,19,38,57,114,171,342

Greatest Common Factor

We found the factors 42,80,342 . The biggest common factor number is the GCF number.
So the greatest common factor 42,80,342 is 2.

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

• GCF of 24, 27, 661
• GCF of 79, 99, 180
• GCF of 77, 99, 253
• GCF of 50, 27, 422
• GCF of 80, 53, 978

1. What is the GCF of 42, 80, 342?

Answer: GCF of 42, 80, 342 is 2.

2. How to Find the GCF of 42, 80, 342

Answer: Greatest Common Factor(GCF) of 42, 80, 342 = 2

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

Step 2: Then multiply all the prime factors GCF(42, 80, 342) = 2.