Greatest Common Factor of 80, 221, 105

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

• Greatest Common Factor of 80, 221, 105 by common division method
• Greatest Common Factor of 80, 221, 105 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 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 221

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

1,13,17,221

Factors of 105

List of positive integer factors of 105 that divides 105 without a remainder.

1,3,5,7,15,21,35,105

Greatest Common Factor

We found the factors 80,221,105 . The biggest common factor number is the GCF number.
So the greatest common factor 80,221,105 is 1.

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

• GCF of 90, 202, 551
• GCF of 75, 448, 629
• GCF of 96, 261, 736
• GCF of 57, 987, 875
• GCF of 55, 683, 715

1. What is the GCF of 80, 221, 105?

Answer: GCF of 80, 221, 105 is 1.

2. How to Find the GCF of 80, 221, 105

Answer: Greatest Common Factor(GCF) of 80, 221, 105 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 221, 105) = 1.