Greatest Common Factor of 42, 28, 10, 340

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

• Greatest Common Factor of 42, 28, 10, 340 by common division method
• Greatest Common Factor of 42, 28, 10, 340 with matching the biggest common factor

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∴ 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 340

List of positive integer factors of 340 that divides 340 without a remainder.

1,2,4,5,10,17,20,34,68,85,170,340

Greatest Common Factor

We found the factors 42,28,10,340 . The biggest common factor number is the GCF number.
So the greatest common factor 42,28,10,340 is 2.

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

• GCF of 96, 77, 53, 966
• GCF of 75, 34, 88, 550
• GCF of 58, 61, 55, 212
• GCF of 13, 63, 57, 601
• GCF of 30, 32, 12, 326

1. What is the GCF of 42, 28, 10, 340?

Answer: GCF of 42, 28, 10, 340 is 2.

2. How to Find the GCF of 42, 28, 10, 340

Answer: Greatest Common Factor(GCF) of 42, 28, 10, 340 = 2

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

Step 2: Then multiply all the prime factors GCF(42, 28, 10, 340) = 2.