Greatest Common Factor of 39, 90, 40, 385

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

• Greatest Common Factor of 39, 90, 40, 385 by common division method
• Greatest Common Factor of 39, 90, 40, 385 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 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 385

List of positive integer factors of 385 that divides 385 without a remainder.

1,5,7,11,35,55,77,385

Greatest Common Factor

We found the factors 39,90,40,385 . The biggest common factor number is the GCF number.
So the greatest common factor 39,90,40,385 is 1.

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

• GCF of 17, 78, 15, 211
• GCF of 73, 95, 64, 110
• GCF of 98, 62, 39, 741
• GCF of 65, 37, 69, 584
• GCF of 17, 29, 23, 725

1. What is the GCF of 39, 90, 40, 385?

Answer: GCF of 39, 90, 40, 385 is 1.

2. How to Find the GCF of 39, 90, 40, 385

Answer: Greatest Common Factor(GCF) of 39, 90, 40, 385 = 1

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

Step 2: Then multiply all the prime factors GCF(39, 90, 40, 385) = 1.