Greatest Common Factor of 85, 221, 209

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

• Greatest Common Factor of 85, 221, 209 by common division method
• Greatest Common Factor of 85, 221, 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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 221

List of positive integer factors of 221 that divides 221 without a remainder.

1,13,17,221

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 85,221,209 . The biggest common factor number is the GCF number.
So the greatest common factor 85,221,209 is 1.

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

• GCF of 57, 898, 889
• GCF of 20, 610, 674
• GCF of 94, 965, 137
• GCF of 21, 443, 925
• GCF of 42, 376, 318

1. What is the GCF of 85, 221, 209?

Answer: GCF of 85, 221, 209 is 1.

2. How to Find the GCF of 85, 221, 209

Answer: Greatest Common Factor(GCF) of 85, 221, 209 = 1

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

Step 2: Then multiply all the prime factors GCF(85, 221, 209) = 1.