Greatest Common Factor of 81, 200, 642

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

• Greatest Common Factor of 81, 200, 642 by common division method
• Greatest Common Factor of 81, 200, 642 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 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

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

Factors of 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Greatest Common Factor

We found the factors 81,200,642 . The biggest common factor number is the GCF number.
So the greatest common factor 81,200,642 is 1.

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

• GCF of 59, 950, 981
• GCF of 54, 339, 458
• GCF of 13, 124, 135
• GCF of 39, 377, 800
• GCF of 47, 598, 130

1. What is the GCF of 81, 200, 642?

Answer: GCF of 81, 200, 642 is 1.

2. How to Find the GCF of 81, 200, 642

Answer: Greatest Common Factor(GCF) of 81, 200, 642 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 200, 642) = 1.