Greatest Common Factor of 15, 32, 76, 81

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

• Greatest Common Factor of 15, 32, 76, 81 by common division method
• Greatest Common Factor of 15, 32, 76, 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 15

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

1,3,5,15

Factors of 32

List of positive integer factors of 32 that divides 32 without a remainder.

1,2,4,8,16,32

Factors of 76

List of positive integer factors of 76 that divides 76 without a remainder.

1,2,4,19,38,76

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 15,32,76,81 . The biggest common factor number is the GCF number.
So the greatest common factor 15,32,76,81 is 1.

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

• GCF of 38, 43, 52, 37
• GCF of 42, 81, 42, 74
• GCF of 83, 86, 53, 70
• GCF of 81, 77, 93, 98
• GCF of 48, 40, 36, 76

1. What is the GCF of 15, 32, 76, 81?

Answer: GCF of 15, 32, 76, 81 is 1.

2. How to Find the GCF of 15, 32, 76, 81

Answer: Greatest Common Factor(GCF) of 15, 32, 76, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 32, 76, 81) = 1.