Greatest Common Factor of 65, 55, 40, 109

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

• Greatest Common Factor of 65, 55, 40, 109 by common division method
• Greatest Common Factor of 65, 55, 40, 109 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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

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

Factors of 109

List of positive integer factors of 109 that divides 109 without a remainder.

1,109

Greatest Common Factor

We found the factors 65,55,40,109 . The biggest common factor number is the GCF number.
So the greatest common factor 65,55,40,109 is 1.

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

• GCF of 30, 85, 93, 342
• GCF of 31, 44, 95, 864
• GCF of 49, 13, 25, 900
• GCF of 81, 52, 35, 135
• GCF of 58, 21, 36, 186

1. What is the GCF of 65, 55, 40, 109?

Answer: GCF of 65, 55, 40, 109 is 1.

2. How to Find the GCF of 65, 55, 40, 109

Answer: Greatest Common Factor(GCF) of 65, 55, 40, 109 = 1

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

Step 2: Then multiply all the prime factors GCF(65, 55, 40, 109) = 1.