Greatest Common Factor of 15, 38, 8, 80

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

• Greatest Common Factor of 15, 38, 8, 80 by common division method
• Greatest Common Factor of 15, 38, 8, 80 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 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 8

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

1,2,4,8

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Greatest Common Factor

We found the factors 15,38,8,80 . The biggest common factor number is the GCF number.
So the greatest common factor 15,38,8,80 is 1.

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

• GCF of 94, 20, 4, 97
• GCF of 50, 83, 5, 56
• GCF of 48, 53, 7, 38
• GCF of 84, 24, 7, 79
• GCF of 12, 65, 3, 46

1. What is the GCF of 15, 38, 8, 80?

Answer: GCF of 15, 38, 8, 80 is 1.

2. How to Find the GCF of 15, 38, 8, 80

Answer: Greatest Common Factor(GCF) of 15, 38, 8, 80 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 38, 8, 80) = 1.