Greatest Common Factor of 81, 15, 13, 101

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

• Greatest Common Factor of 81, 15, 13, 101 by common division method
• Greatest Common Factor of 81, 15, 13, 101 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 101

List of positive integer factors of 101 that divides 101 without a remainder.

1,101

Greatest Common Factor

We found the factors 81,15,13,101 . The biggest common factor number is the GCF number.
So the greatest common factor 81,15,13,101 is 1.

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

• GCF of 36, 63, 99, 152
• GCF of 76, 74, 84, 613
• GCF of 96, 75, 42, 262
• GCF of 74, 15, 41, 399
• GCF of 68, 45, 21, 113

1. What is the GCF of 81, 15, 13, 101?

Answer: GCF of 81, 15, 13, 101 is 1.

2. How to Find the GCF of 81, 15, 13, 101

Answer: Greatest Common Factor(GCF) of 81, 15, 13, 101 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 15, 13, 101) = 1.