Greatest Common Factor of 21, 263, 320

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

• Greatest Common Factor of 21, 263, 320 by common division method
• Greatest Common Factor of 21, 263, 320 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 263

List of positive integer factors of 263 that divides 263 without a remainder.

1,263

Factors of 320

List of positive integer factors of 320 that divides 320 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,160,320

Greatest Common Factor

We found the factors 21,263,320 . The biggest common factor number is the GCF number.
So the greatest common factor 21,263,320 is 1.

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

• GCF of 47, 662, 635
• GCF of 32, 314, 804
• GCF of 89, 108, 720
• GCF of 70, 440, 573
• GCF of 69, 663, 828

1. What is the GCF of 21, 263, 320?

Answer: GCF of 21, 263, 320 is 1.

2. How to Find the GCF of 21, 263, 320

Answer: Greatest Common Factor(GCF) of 21, 263, 320 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 263, 320) = 1.