Greatest Common Factor of 45, 40, 82, 77, 64

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

• Greatest Common Factor of 45, 40, 82, 77, 64 by common division method
• Greatest Common Factor of 45, 40, 82, 77, 64 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 45

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

1,3,5,9,15,45

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 82

List of positive integer factors of 82 that divides 82 without a remainder.

1,2,41,82

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 64

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

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

Greatest Common Factor

We found the factors 45,40,82,77,64 . The biggest common factor number is the GCF number.
So the greatest common factor 45,40,82,77,64 is 1.

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

• GCF of 48, 76, 92, 50, 71
• GCF of 73, 11, 69, 71, 58
• GCF of 13, 72, 80, 42, 99
• GCF of 91, 34, 30, 25, 69
• GCF of 47, 17, 82, 26, 98

1. What is the GCF of 45, 40, 82, 77, 64?

Answer: GCF of 45, 40, 82, 77, 64 is 1.

2. How to Find the GCF of 45, 40, 82, 77, 64

Answer: Greatest Common Factor(GCF) of 45, 40, 82, 77, 64 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 40, 82, 77, 64) = 1.