Greatest Common Factor of 21, 44, 80, 608

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

• Greatest Common Factor of 21, 44, 80, 608 by common division method
• Greatest Common Factor of 21, 44, 80, 608 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 44

List of positive integer factors of 44 that divides 44 without a remainder.

1,2,4,11,22,44

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 608

List of positive integer factors of 608 that divides 608 without a remainder.

1,2,4,8,16,19,32,38,76,152,304,608

Greatest Common Factor

We found the factors 21,44,80,608 . The biggest common factor number is the GCF number.
So the greatest common factor 21,44,80,608 is 1.

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

• GCF of 52, 93, 81, 532
• GCF of 50, 31, 64, 555
• GCF of 76, 70, 10, 667
• GCF of 92, 53, 21, 687
• GCF of 82, 83, 48, 903

1. What is the GCF of 21, 44, 80, 608?

Answer: GCF of 21, 44, 80, 608 is 1.

2. How to Find the GCF of 21, 44, 80, 608

Answer: Greatest Common Factor(GCF) of 21, 44, 80, 608 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 44, 80, 608) = 1.