Greatest Common Factor of 65, 98, 43, 20

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

• Greatest Common Factor of 65, 98, 43, 20 by common division method
• Greatest Common Factor of 65, 98, 43, 20 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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 98

List of positive integer factors of 98 that divides 98 without a remainder.

1,2,7,14,49,98

Factors of 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 65,98,43,20 . The biggest common factor number is the GCF number.
So the greatest common factor 65,98,43,20 is 1.

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

• GCF of 56, 74, 69, 53
• GCF of 10, 73, 24, 69
• GCF of 91, 86, 53, 44
• GCF of 46, 43, 81, 90
• GCF of 83, 23, 59, 45

1. What is the GCF of 65, 98, 43, 20?

Answer: GCF of 65, 98, 43, 20 is 1.

2. How to Find the GCF of 65, 98, 43, 20

Answer: Greatest Common Factor(GCF) of 65, 98, 43, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(65, 98, 43, 20) = 1.