Greatest Common Factor of 64, 21, 63, 73

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

• Greatest Common Factor of 64, 21, 63, 73 by common division method
• Greatest Common Factor of 64, 21, 63, 73 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 21

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

1,3,7,21

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Greatest Common Factor

We found the factors 64,21,63,73 . The biggest common factor number is the GCF number.
So the greatest common factor 64,21,63,73 is 1.

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

• GCF of 62, 24, 32, 58
• GCF of 10, 93, 84, 75
• GCF of 69, 90, 12, 85
• GCF of 29, 83, 15, 35
• GCF of 20, 97, 71, 18

1. What is the GCF of 64, 21, 63, 73?

Answer: GCF of 64, 21, 63, 73 is 1.

2. How to Find the GCF of 64, 21, 63, 73

Answer: Greatest Common Factor(GCF) of 64, 21, 63, 73 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 21, 63, 73) = 1.