Greatest Common Factor of 64, 21, 812

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

• Greatest Common Factor of 64, 21, 812 by common division method
• Greatest Common Factor of 64, 21, 812 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 812

List of positive integer factors of 812 that divides 812 without a remainder.

1,2,4,7,14,28,29,58,116,203,406,812

Greatest Common Factor

We found the factors 64,21,812 . The biggest common factor number is the GCF number.
So the greatest common factor 64,21,812 is 1.

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

• GCF of 20, 25, 107
• GCF of 77, 53, 765
• GCF of 94, 25, 156
• GCF of 89, 10, 936
• GCF of 74, 70, 388

1. What is the GCF of 64, 21, 812?

Answer: GCF of 64, 21, 812 is 1.

2. How to Find the GCF of 64, 21, 812

Answer: Greatest Common Factor(GCF) of 64, 21, 812 = 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, 812) = 1.