Greatest Common Factor of 21, 73, 64, 1, 58

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

• Greatest Common Factor of 21, 73, 64, 1, 58 by common division method
• Greatest Common Factor of 21, 73, 64, 1, 58 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 21

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

1,3,7,21

Factors of 73

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

1,73

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 1

List of positive integer factors of 1 that divides 1 without a remainder.

1

Factors of 58

List of positive integer factors of 58 that divides 58 without a remainder.

1,2,29,58

Greatest Common Factor

We found the factors 21,73,64,1,58 . The biggest common factor number is the GCF number.
So the greatest common factor 21,73,64,1,58 is 1.

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

• GCF of 33, 65, 52, 1, 27
• GCF of 19, 54, 84, 2, 59
• GCF of 71, 75, 27, 3, 64
• GCF of 25, 37, 43, 3, 38
• GCF of 25, 39, 76, 9, 42

1. What is the GCF of 21, 73, 64, 1, 58?

Answer: GCF of 21, 73, 64, 1, 58 is 1.

2. How to Find the GCF of 21, 73, 64, 1, 58

Answer: Greatest Common Factor(GCF) of 21, 73, 64, 1, 58 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 73, 64, 1, 58) = 1.