Greatest Common Factor of 63, 21, 800

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

• Greatest Common Factor of 63, 21, 800 by common division method
• Greatest Common Factor of 63, 21, 800 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 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 21

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

1,3,7,21

Factors of 800

List of positive integer factors of 800 that divides 800 without a remainder.

1,2,4,5,8,10,16,20,25,32,40,50,80,100,160,200,400,800

Greatest Common Factor

We found the factors 63,21,800 . The biggest common factor number is the GCF number.
So the greatest common factor 63,21,800 is 1.

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

• GCF of 74, 55, 346
• GCF of 90, 91, 318
• GCF of 15, 84, 849
• GCF of 99, 24, 587
• GCF of 33, 73, 704

1. What is the GCF of 63, 21, 800?

Answer: GCF of 63, 21, 800 is 1.

2. How to Find the GCF of 63, 21, 800

Answer: Greatest Common Factor(GCF) of 63, 21, 800 = 1

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

Step 2: Then multiply all the prime factors GCF(63, 21, 800) = 1.