Greatest Common Factor of 80, 10, 621

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

• Greatest Common Factor of 80, 10, 621 by common division method
• Greatest Common Factor of 80, 10, 621 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 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 621

List of positive integer factors of 621 that divides 621 without a remainder.

1,3,9,23,27,69,207,621

Greatest Common Factor

We found the factors 80,10,621 . The biggest common factor number is the GCF number.
So the greatest common factor 80,10,621 is 1.

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

• GCF of 23, 11, 320
• GCF of 21, 61, 540
• GCF of 64, 20, 422
• GCF of 31, 54, 489
• GCF of 40, 94, 539

1. What is the GCF of 80, 10, 621?

Answer: GCF of 80, 10, 621 is 1.

2. How to Find the GCF of 80, 10, 621

Answer: Greatest Common Factor(GCF) of 80, 10, 621 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 10, 621) = 1.