Greatest Common Factor of 13, 48, 91, 28

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

• Greatest Common Factor of 13, 48, 91, 28 by common division method
• Greatest Common Factor of 13, 48, 91, 28 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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 28

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

1,2,4,7,14,28

Greatest Common Factor

We found the factors 13,48,91,28 . The biggest common factor number is the GCF number.
So the greatest common factor 13,48,91,28 is 1.

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

• GCF of 43, 89, 81, 76
• GCF of 38, 87, 17, 74
• GCF of 51, 15, 29, 97
• GCF of 55, 51, 35, 94
• GCF of 22, 12, 43, 27

1. What is the GCF of 13, 48, 91, 28?

Answer: GCF of 13, 48, 91, 28 is 1.

2. How to Find the GCF of 13, 48, 91, 28

Answer: Greatest Common Factor(GCF) of 13, 48, 91, 28 = 1

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

Step 2: Then multiply all the prime factors GCF(13, 48, 91, 28) = 1.