Greatest Common Factor of 15, 12, 47, 8

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

• Greatest Common Factor of 15, 12, 47, 8 by common division method
• Greatest Common Factor of 15, 12, 47, 8 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 8

List of positive integer factors of 8 that divides 8 without a remainder.

1,2,4,8

Greatest Common Factor

We found the factors 15,12,47,8 . The biggest common factor number is the GCF number.
So the greatest common factor 15,12,47,8 is 1.

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

• GCF of 91, 26, 81, 7
• GCF of 83, 59, 64, 9
• GCF of 48, 68, 11, 9
• GCF of 23, 45, 41, 1
• GCF of 62, 56, 29, 1

1. What is the GCF of 15, 12, 47, 8?

Answer: GCF of 15, 12, 47, 8 is 1.

2. How to Find the GCF of 15, 12, 47, 8

Answer: Greatest Common Factor(GCF) of 15, 12, 47, 8 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 12, 47, 8) = 1.