Greatest Common Factor of 13, 99, 15, 784

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

• Greatest Common Factor of 13, 99, 15, 784 by common division method
• Greatest Common Factor of 13, 99, 15, 784 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 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

Factors of 15

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

1,3,5,15

Factors of 784

List of positive integer factors of 784 that divides 784 without a remainder.

1,2,4,7,8,14,16,28,49,56,98,112,196,392,784

Greatest Common Factor

We found the factors 13,99,15,784 . The biggest common factor number is the GCF number.
So the greatest common factor 13,99,15,784 is 1.

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

• GCF of 82, 76, 71, 489
• GCF of 51, 97, 16, 904
• GCF of 66, 88, 83, 292
• GCF of 28, 66, 10, 340
• GCF of 34, 95, 70, 357

1. What is the GCF of 13, 99, 15, 784?

Answer: GCF of 13, 99, 15, 784 is 1.

2. How to Find the GCF of 13, 99, 15, 784

Answer: Greatest Common Factor(GCF) of 13, 99, 15, 784 = 1

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

Step 2: Then multiply all the prime factors GCF(13, 99, 15, 784) = 1.