Greatest Common Factor of 42, 49, 35, 320

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

• Greatest Common Factor of 42, 49, 35, 320 by common division method
• Greatest Common Factor of 42, 49, 35, 320 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

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 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 35

List of positive integer factors of 35 that divides 35 without a remainder.

1,5,7,35

Factors of 320

List of positive integer factors of 320 that divides 320 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,160,320

Greatest Common Factor

We found the factors 42,49,35,320 . The biggest common factor number is the GCF number.
So the greatest common factor 42,49,35,320 is 1.

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

• GCF of 35, 72, 16, 836
• GCF of 79, 13, 13, 840
• GCF of 61, 42, 20, 746
• GCF of 24, 61, 96, 926
• GCF of 67, 31, 27, 345

1. What is the GCF of 42, 49, 35, 320?

Answer: GCF of 42, 49, 35, 320 is 1.

2. How to Find the GCF of 42, 49, 35, 320

Answer: Greatest Common Factor(GCF) of 42, 49, 35, 320 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 49, 35, 320) = 1.