Greatest Common Factor of 15, 34, 28, 487

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

• Greatest Common Factor of 15, 34, 28, 487 by common division method
• Greatest Common Factor of 15, 34, 28, 487 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 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 487

List of positive integer factors of 487 that divides 487 without a remainder.

1,487

Greatest Common Factor

We found the factors 15,34,28,487 . The biggest common factor number is the GCF number.
So the greatest common factor 15,34,28,487 is 1.

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

• GCF of 63, 70, 47, 584
• GCF of 45, 57, 96, 144
• GCF of 91, 94, 32, 716
• GCF of 51, 67, 16, 431
• GCF of 64, 39, 53, 181

1. What is the GCF of 15, 34, 28, 487?

Answer: GCF of 15, 34, 28, 487 is 1.

2. How to Find the GCF of 15, 34, 28, 487

Answer: Greatest Common Factor(GCF) of 15, 34, 28, 487 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 34, 28, 487) = 1.