Greatest Common Factor of 64, 40, 96, 645

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

• Greatest Common Factor of 64, 40, 96, 645 by common division method
• Greatest Common Factor of 64, 40, 96, 645 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 40

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

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

Factors of 96

List of positive integer factors of 96 that divides 96 without a remainder.

1,2,3,4,6,8,12,16,24,32,48,96

Factors of 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Greatest Common Factor

We found the factors 64,40,96,645 . The biggest common factor number is the GCF number.
So the greatest common factor 64,40,96,645 is 1.

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

• GCF of 53, 70, 70, 858
• GCF of 78, 12, 84, 780
• GCF of 50, 64, 61, 240
• GCF of 92, 85, 63, 300
• GCF of 74, 63, 93, 153

1. What is the GCF of 64, 40, 96, 645?

Answer: GCF of 64, 40, 96, 645 is 1.

2. How to Find the GCF of 64, 40, 96, 645

Answer: Greatest Common Factor(GCF) of 64, 40, 96, 645 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 40, 96, 645) = 1.