Greatest Common Factor of 28, 49, 15, 230

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

• Greatest Common Factor of 28, 49, 15, 230 by common division method
• Greatest Common Factor of 28, 49, 15, 230 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 28

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

1,2,4,7,14,28

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 15

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

1,3,5,15

Factors of 230

List of positive integer factors of 230 that divides 230 without a remainder.

1,2,5,10,23,46,115,230

Greatest Common Factor

We found the factors 28,49,15,230 . The biggest common factor number is the GCF number.
So the greatest common factor 28,49,15,230 is 1.

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

• GCF of 51, 81, 48, 467
• GCF of 29, 38, 39, 747
• GCF of 48, 79, 24, 794
• GCF of 82, 60, 57, 399
• GCF of 54, 19, 61, 890

1. What is the GCF of 28, 49, 15, 230?

Answer: GCF of 28, 49, 15, 230 is 1.

2. How to Find the GCF of 28, 49, 15, 230

Answer: Greatest Common Factor(GCF) of 28, 49, 15, 230 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 49, 15, 230) = 1.