Greatest Common Factor of 664, 771, 42

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

• Greatest Common Factor of 664, 771, 42 by common division method
• Greatest Common Factor of 664, 771, 42 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 664

List of positive integer factors of 664 that divides 664 without a remainder.

1,2,4,8,83,166,332,664

Factors of 771

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

1,3,257,771

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Greatest Common Factor

We found the factors 664,771,42 . The biggest common factor number is the GCF number.
So the greatest common factor 664,771,42 is 1.

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

• GCF of 760, 978, 91
• GCF of 640, 718, 99
• GCF of 238, 226, 94
• GCF of 228, 210, 54
• GCF of 574, 916, 88

1. What is the GCF of 664, 771, 42?

Answer: GCF of 664, 771, 42 is 1.

2. How to Find the GCF of 664, 771, 42

Answer: Greatest Common Factor(GCF) of 664, 771, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(664, 771, 42) = 1.