Greatest Common Factor of 209, 128, 109

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

• Greatest Common Factor of 209, 128, 109 by common division method
• Greatest Common Factor of 209, 128, 109 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 209

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

1,11,19,209

Factors of 128

List of positive integer factors of 128 that divides 128 without a remainder.

1,2,4,8,16,32,64,128

Factors of 109

List of positive integer factors of 109 that divides 109 without a remainder.

1,109

Greatest Common Factor

We found the factors 209,128,109 . The biggest common factor number is the GCF number.
So the greatest common factor 209,128,109 is 1.

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

• GCF of 853, 345, 349
• GCF of 964, 194, 743
• GCF of 254, 702, 621
• GCF of 747, 488, 247
• GCF of 984, 286, 646

1. What is the GCF of 209, 128, 109?

Answer: GCF of 209, 128, 109 is 1.

2. How to Find the GCF of 209, 128, 109

Answer: Greatest Common Factor(GCF) of 209, 128, 109 = 1

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

Step 2: Then multiply all the prime factors GCF(209, 128, 109) = 1.