Greatest Common Factor of 65, 55, 64, 65

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

• Greatest Common Factor of 65, 55, 64, 65 by common division method
• Greatest Common Factor of 65, 55, 64, 65 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 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 65

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

1,5,13,65

Greatest Common Factor

We found the factors 65,55,64,65 . The biggest common factor number is the GCF number.
So the greatest common factor 65,55,64,65 is 1.

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

• GCF of 88, 34, 88, 30
• GCF of 56, 82, 75, 52
• GCF of 11, 64, 27, 21
• GCF of 62, 50, 68, 84
• GCF of 31, 49, 81, 19

1. What is the GCF of 65, 55, 64, 65?

Answer: GCF of 65, 55, 64, 65 is 1.

2. How to Find the GCF of 65, 55, 64, 65

Answer: Greatest Common Factor(GCF) of 65, 55, 64, 65 = 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, 64, 65) = 1.