Greatest Common Factor of 21, 512, 481

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

• Greatest Common Factor of 21, 512, 481 by common division method
• Greatest Common Factor of 21, 512, 481 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 512

List of positive integer factors of 512 that divides 512 without a remainder.

1,2,4,8,16,32,64,128,256,512

Factors of 481

List of positive integer factors of 481 that divides 481 without a remainder.

1,13,37,481

Greatest Common Factor

We found the factors 21,512,481 . The biggest common factor number is the GCF number.
So the greatest common factor 21,512,481 is 1.

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

• GCF of 99, 716, 371
• GCF of 97, 893, 817
• GCF of 58, 419, 872
• GCF of 91, 858, 172
• GCF of 13, 414, 513

1. What is the GCF of 21, 512, 481?

Answer: GCF of 21, 512, 481 is 1.

2. How to Find the GCF of 21, 512, 481

Answer: Greatest Common Factor(GCF) of 21, 512, 481 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 512, 481) = 1.