Greatest Common Factor of 220, 391, 17

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

• Greatest Common Factor of 220, 391, 17 by common division method
• Greatest Common Factor of 220, 391, 17 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 220

List of positive integer factors of 220 that divides 220 without a remainder.

1,2,4,5,10,11,20,22,44,55,110,220

Factors of 391

List of positive integer factors of 391 that divides 391 without a remainder.

1,17,23,391

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Greatest Common Factor

We found the factors 220,391,17 . The biggest common factor number is the GCF number.
So the greatest common factor 220,391,17 is 1.

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

• GCF of 961, 291, 15
• GCF of 318, 193, 94
• GCF of 294, 264, 29
• GCF of 514, 475, 73
• GCF of 116, 532, 97

1. What is the GCF of 220, 391, 17?

Answer: GCF of 220, 391, 17 is 1.

2. How to Find the GCF of 220, 391, 17

Answer: Greatest Common Factor(GCF) of 220, 391, 17 = 1

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

Step 2: Then multiply all the prime factors GCF(220, 391, 17) = 1.