Greatest Common Factor of 80, 90, 621

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

• Greatest Common Factor of 80, 90, 621 by common division method
• Greatest Common Factor of 80, 90, 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 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

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 80,90,621 . The biggest common factor number is the GCF number.
So the greatest common factor 80,90,621 is 1.

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

• GCF of 82, 62, 239
• GCF of 15, 32, 528
• GCF of 21, 20, 396
• GCF of 38, 44, 820
• GCF of 36, 83, 343

1. What is the GCF of 80, 90, 621?

Answer: GCF of 80, 90, 621 is 1.

2. How to Find the GCF of 80, 90, 621

Answer: Greatest Common Factor(GCF) of 80, 90, 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, 90, 621) = 1.