Greatest Common Factor of 21, 31, 200

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

• Greatest Common Factor of 21, 31, 200 by common division method
• Greatest Common Factor of 21, 31, 200 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 200

List of positive integer factors of 200 that divides 200 without a remainder.

1,2,4,5,8,10,20,25,40,50,100,200

Greatest Common Factor

We found the factors 21,31,200 . The biggest common factor number is the GCF number.
So the greatest common factor 21,31,200 is 1.

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

• GCF of 88, 76, 639
• GCF of 19, 52, 416
• GCF of 96, 54, 110
• GCF of 24, 29, 192
• GCF of 80, 88, 130

1. What is the GCF of 21, 31, 200?

Answer: GCF of 21, 31, 200 is 1.

2. How to Find the GCF of 21, 31, 200

Answer: Greatest Common Factor(GCF) of 21, 31, 200 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 31, 200) = 1.