Greatest Common Factor of 64, 42, 77, 387

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

• Greatest Common Factor of 64, 42, 77, 387 by common division method
• Greatest Common Factor of 64, 42, 77, 387 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 42

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

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

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 387

List of positive integer factors of 387 that divides 387 without a remainder.

1,3,9,43,129,387

Greatest Common Factor

We found the factors 64,42,77,387 . The biggest common factor number is the GCF number.
So the greatest common factor 64,42,77,387 is 1.

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

• GCF of 60, 60, 47, 717
• GCF of 50, 50, 80, 260
• GCF of 60, 45, 78, 720
• GCF of 44, 41, 60, 211
• GCF of 11, 59, 72, 550

1. What is the GCF of 64, 42, 77, 387?

Answer: GCF of 64, 42, 77, 387 is 1.

2. How to Find the GCF of 64, 42, 77, 387

Answer: Greatest Common Factor(GCF) of 64, 42, 77, 387 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 42, 77, 387) = 1.