Greatest Common Factor of 39, 55, 30, 209

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

• Greatest Common Factor of 39, 55, 30, 209 by common division method
• Greatest Common Factor of 39, 55, 30, 209 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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

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 209

List of positive integer factors of 209 that divides 209 without a remainder.

1,11,19,209

Greatest Common Factor

We found the factors 39,55,30,209 . The biggest common factor number is the GCF number.
So the greatest common factor 39,55,30,209 is 1.

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

• GCF of 30, 43, 71, 671
• GCF of 44, 90, 16, 977
• GCF of 72, 52, 12, 283
• GCF of 75, 17, 60, 249
• GCF of 82, 94, 17, 601

1. What is the GCF of 39, 55, 30, 209?

Answer: GCF of 39, 55, 30, 209 is 1.

2. How to Find the GCF of 39, 55, 30, 209

Answer: Greatest Common Factor(GCF) of 39, 55, 30, 209 = 1

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

Step 2: Then multiply all the prime factors GCF(39, 55, 30, 209) = 1.