Greatest Common Factor of 64, 18, 65, 68

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

• Greatest Common Factor of 64, 18, 65, 68 by common division method
• Greatest Common Factor of 64, 18, 65, 68 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 64

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

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

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 65

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

1,5,13,65

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Greatest Common Factor

We found the factors 64,18,65,68 . The biggest common factor number is the GCF number.
So the greatest common factor 64,18,65,68 is 1.

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

• GCF of 25, 57, 29, 71
• GCF of 68, 79, 71, 21
• GCF of 50, 55, 21, 59
• GCF of 83, 48, 66, 98
• GCF of 22, 86, 98, 36

1. What is the GCF of 64, 18, 65, 68?

Answer: GCF of 64, 18, 65, 68 is 1.

2. How to Find the GCF of 64, 18, 65, 68

Answer: Greatest Common Factor(GCF) of 64, 18, 65, 68 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 18, 65, 68) = 1.