Greatest Common Factor of 68, 64, 45, 69

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

• Greatest Common Factor of 68, 64, 45, 69 by common division method
• Greatest Common Factor of 68, 64, 45, 69 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 68

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

1,2,4,17,34,68

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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Greatest Common Factor

We found the factors 68,64,45,69 . The biggest common factor number is the GCF number.
So the greatest common factor 68,64,45,69 is 1.

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

• GCF of 42, 29, 84, 32
• GCF of 55, 18, 41, 95
• GCF of 86, 23, 17, 33
• GCF of 97, 86, 79, 81
• GCF of 86, 15, 92, 95

1. What is the GCF of 68, 64, 45, 69?

Answer: GCF of 68, 64, 45, 69 is 1.

2. How to Find the GCF of 68, 64, 45, 69

Answer: Greatest Common Factor(GCF) of 68, 64, 45, 69 = 1

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

Step 2: Then multiply all the prime factors GCF(68, 64, 45, 69) = 1.