Greatest Common Factor of 39, 42, 64

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

• Greatest Common Factor of 39, 42, 64 by common division method
• Greatest Common Factor of 39, 42, 64 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 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

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 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Greatest Common Factor

We found the factors 39,42,64 . The biggest common factor number is the GCF number.
So the greatest common factor 39,42,64 is 1.

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

• GCF of 19, 15, 12
• GCF of 51, 19, 76
• GCF of 82, 88, 37
• GCF of 94, 77, 59
• GCF of 40, 14, 85

1. What is the GCF of 39, 42, 64?

Answer: GCF of 39, 42, 64 is 1.

2. How to Find the GCF of 39, 42, 64

Answer: Greatest Common Factor(GCF) of 39, 42, 64 = 1

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

Step 2: Then multiply all the prime factors GCF(39, 42, 64) = 1.