Greatest Common Factor of 80, 45, 161

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

• Greatest Common Factor of 80, 45, 161 by common division method
• Greatest Common Factor of 80, 45, 161 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 161

List of positive integer factors of 161 that divides 161 without a remainder.

1,7,23,161

Greatest Common Factor

We found the factors 80,45,161 . The biggest common factor number is the GCF number.
So the greatest common factor 80,45,161 is 1.

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

• GCF of 46, 69, 849
• GCF of 71, 58, 705
• GCF of 66, 28, 436
• GCF of 40, 82, 238
• GCF of 62, 63, 207

1. What is the GCF of 80, 45, 161?

Answer: GCF of 80, 45, 161 is 1.

2. How to Find the GCF of 80, 45, 161

Answer: Greatest Common Factor(GCF) of 80, 45, 161 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 45, 161) = 1.