Greatest Common Factor of 23, 20, 21, 608

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

• Greatest Common Factor of 23, 20, 21, 608 by common division method
• Greatest Common Factor of 23, 20, 21, 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 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 21

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

1,3,7,21

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 23,20,21,608 . The biggest common factor number is the GCF number.
So the greatest common factor 23,20,21,608 is 1.

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

• GCF of 90, 84, 49, 689
• GCF of 96, 60, 85, 726
• GCF of 24, 53, 11, 697
• GCF of 74, 63, 47, 854
• GCF of 21, 70, 27, 923

1. What is the GCF of 23, 20, 21, 608?

Answer: GCF of 23, 20, 21, 608 is 1.

2. How to Find the GCF of 23, 20, 21, 608

Answer: Greatest Common Factor(GCF) of 23, 20, 21, 608 = 1

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

Step 2: Then multiply all the prime factors GCF(23, 20, 21, 608) = 1.