Greatest Common Factor of 64, 39, 30, 680

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

• Greatest Common Factor of 64, 39, 30, 680 by common division method
• Greatest Common Factor of 64, 39, 30, 680 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 39

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

1,3,13,39

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 680

List of positive integer factors of 680 that divides 680 without a remainder.

1,2,4,5,8,10,17,20,34,40,68,85,136,170,340,680

Greatest Common Factor

We found the factors 64,39,30,680 . The biggest common factor number is the GCF number.
So the greatest common factor 64,39,30,680 is 1.

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

• GCF of 66, 34, 44, 278
• GCF of 24, 45, 93, 229
• GCF of 52, 31, 93, 347
• GCF of 28, 25, 74, 708
• GCF of 21, 17, 89, 171

1. What is the GCF of 64, 39, 30, 680?

Answer: GCF of 64, 39, 30, 680 is 1.

2. How to Find the GCF of 64, 39, 30, 680

Answer: Greatest Common Factor(GCF) of 64, 39, 30, 680 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 39, 30, 680) = 1.