Greatest Common Factor of 64, 21, 857

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

• Greatest Common Factor of 64, 21, 857 by common division method
• Greatest Common Factor of 64, 21, 857 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 857

List of positive integer factors of 857 that divides 857 without a remainder.

1,857

Greatest Common Factor

We found the factors 64,21,857 . The biggest common factor number is the GCF number.
So the greatest common factor 64,21,857 is 1.

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

• GCF of 49, 20, 462
• GCF of 81, 72, 238
• GCF of 47, 24, 794
• GCF of 67, 18, 705
• GCF of 82, 92, 547

1. What is the GCF of 64, 21, 857?

Answer: GCF of 64, 21, 857 is 1.

2. How to Find the GCF of 64, 21, 857

Answer: Greatest Common Factor(GCF) of 64, 21, 857 = 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, 857) = 1.