Greatest Common Factor of 61, 35, 20, 320

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

• Greatest Common Factor of 61, 35, 20, 320 by common division method
• Greatest Common Factor of 61, 35, 20, 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 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 35

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

1,5,7,35

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

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 61,35,20,320 . The biggest common factor number is the GCF number.
So the greatest common factor 61,35,20,320 is 1.

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

• GCF of 15, 75, 73, 287
• GCF of 48, 90, 76, 341
• GCF of 69, 34, 87, 655
• GCF of 10, 10, 92, 691
• GCF of 83, 97, 19, 831

1. What is the GCF of 61, 35, 20, 320?

Answer: GCF of 61, 35, 20, 320 is 1.

2. How to Find the GCF of 61, 35, 20, 320

Answer: Greatest Common Factor(GCF) of 61, 35, 20, 320 = 1

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

Step 2: Then multiply all the prime factors GCF(61, 35, 20, 320) = 1.