Greatest Common Factor of 200, 155, 81

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

• Greatest Common Factor of 200, 155, 81 by common division method
• Greatest Common Factor of 200, 155, 81 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 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 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

Factors of 81

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

1,3,9,27,81

Greatest Common Factor

We found the factors 200,155,81 . The biggest common factor number is the GCF number.
So the greatest common factor 200,155,81 is 1.

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

• GCF of 201, 108, 33
• GCF of 113, 566, 54
• GCF of 121, 878, 88
• GCF of 781, 961, 17
• GCF of 387, 837, 60

1. What is the GCF of 200, 155, 81?

Answer: GCF of 200, 155, 81 is 1.

2. How to Find the GCF of 200, 155, 81

Answer: Greatest Common Factor(GCF) of 200, 155, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(200, 155, 81) = 1.