Greatest Common Factor of 90, 12, 34, 209

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

• Greatest Common Factor of 90, 12, 34, 209 by common division method
• Greatest Common Factor of 90, 12, 34, 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 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

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 90,12,34,209 . The biggest common factor number is the GCF number.
So the greatest common factor 90,12,34,209 is 1.

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

• GCF of 28, 82, 85, 261
• GCF of 78, 90, 80, 976
• GCF of 19, 82, 73, 150
• GCF of 80, 20, 72, 436
• GCF of 17, 98, 60, 325

1. What is the GCF of 90, 12, 34, 209?

Answer: GCF of 90, 12, 34, 209 is 1.

2. How to Find the GCF of 90, 12, 34, 209

Answer: Greatest Common Factor(GCF) of 90, 12, 34, 209 = 1

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

Step 2: Then multiply all the prime factors GCF(90, 12, 34, 209) = 1.