Greatest Common Factor of 64, 20, 99, 771

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

• Greatest Common Factor of 64, 20, 99, 771 by common division method
• Greatest Common Factor of 64, 20, 99, 771 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

Factors of 771

List of positive integer factors of 771 that divides 771 without a remainder.

1,3,257,771

Greatest Common Factor

We found the factors 64,20,99,771 . The biggest common factor number is the GCF number.
So the greatest common factor 64,20,99,771 is 1.

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

• GCF of 92, 24, 77, 989
• GCF of 79, 50, 44, 165
• GCF of 48, 33, 23, 851
• GCF of 30, 89, 14, 377
• GCF of 17, 90, 15, 200

1. What is the GCF of 64, 20, 99, 771?

Answer: GCF of 64, 20, 99, 771 is 1.

2. How to Find the GCF of 64, 20, 99, 771

Answer: Greatest Common Factor(GCF) of 64, 20, 99, 771 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 20, 99, 771) = 1.