Greatest Common Factor of 64, 80, 21, 67, 547

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

• Greatest Common Factor of 64, 80, 21, 67, 547 by common division method
• Greatest Common Factor of 64, 80, 21, 67, 547 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 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 67

List of positive integer factors of 67 that divides 67 without a remainder.

1,67

Factors of 547

List of positive integer factors of 547 that divides 547 without a remainder.

1,547

Greatest Common Factor

We found the factors 64,80,21,67,547 . The biggest common factor number is the GCF number.
So the greatest common factor 64,80,21,67,547 is 1.

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

• GCF of 96, 98, 20, 50, 781
• GCF of 73, 33, 57, 25, 510
• GCF of 45, 28, 40, 43, 701
• GCF of 51, 37, 84, 58, 536
• GCF of 58, 18, 78, 60, 440

1. What is the GCF of 64, 80, 21, 67, 547?

Answer: GCF of 64, 80, 21, 67, 547 is 1.

2. How to Find the GCF of 64, 80, 21, 67, 547

Answer: Greatest Common Factor(GCF) of 64, 80, 21, 67, 547 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 80, 21, 67, 547) = 1.