Greatest Common Factor of 645, 660, 39, 118

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

• Greatest Common Factor of 645, 660, 39, 118 by common division method
• Greatest Common Factor of 645, 660, 39, 118 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 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Factors of 660

List of positive integer factors of 660 that divides 660 without a remainder.

1,2,3,4,5,6,10,11,12,15,20,22,30,33,44,55,60,66,110,132,165,220,330,660

Factors of 39

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

1,3,13,39

Factors of 118

List of positive integer factors of 118 that divides 118 without a remainder.

1,2,59,118

Greatest Common Factor

We found the factors 645,660,39,118 . The biggest common factor number is the GCF number.
So the greatest common factor 645,660,39,118 is 1.

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

• GCF of 318, 653, 10, 792
• GCF of 750, 175, 12, 516
• GCF of 671, 927, 99, 538
• GCF of 785, 131, 93, 455
• GCF of 293, 829, 80, 456

1. What is the GCF of 645, 660, 39, 118?

Answer: GCF of 645, 660, 39, 118 is 1.

2. How to Find the GCF of 645, 660, 39, 118

Answer: Greatest Common Factor(GCF) of 645, 660, 39, 118 = 1

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

Step 2: Then multiply all the prime factors GCF(645, 660, 39, 118) = 1.