Greatest Common Factor of 64, 36, 21, 23

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

• Greatest Common Factor of 64, 36, 21, 23 by common division method
• Greatest Common Factor of 64, 36, 21, 23 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 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Factors of 21

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

1,3,7,21

Factors of 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Greatest Common Factor

We found the factors 64,36,21,23 . The biggest common factor number is the GCF number.
So the greatest common factor 64,36,21,23 is 1.

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

• GCF of 59, 79, 96, 50
• GCF of 85, 87, 86, 97
• GCF of 77, 20, 10, 82
• GCF of 41, 40, 80, 32
• GCF of 98, 20, 78, 97

1. What is the GCF of 64, 36, 21, 23?

Answer: GCF of 64, 36, 21, 23 is 1.

2. How to Find the GCF of 64, 36, 21, 23

Answer: Greatest Common Factor(GCF) of 64, 36, 21, 23 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 36, 21, 23) = 1.