Greatest Common Factor of 15, 68, 80, 675

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

• Greatest Common Factor of 15, 68, 80, 675 by common division method
• Greatest Common Factor of 15, 68, 80, 675 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 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

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

Factors of 675

List of positive integer factors of 675 that divides 675 without a remainder.

1,3,5,9,15,25,27,45,75,135,225,675

Greatest Common Factor

We found the factors 15,68,80,675 . The biggest common factor number is the GCF number.
So the greatest common factor 15,68,80,675 is 1.

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

• GCF of 36, 71, 81, 957
• GCF of 35, 87, 55, 615
• GCF of 57, 58, 49, 129
• GCF of 35, 72, 21, 296
• GCF of 56, 12, 92, 844

1. What is the GCF of 15, 68, 80, 675?

Answer: GCF of 15, 68, 80, 675 is 1.

2. How to Find the GCF of 15, 68, 80, 675

Answer: Greatest Common Factor(GCF) of 15, 68, 80, 675 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 68, 80, 675) = 1.