Greatest Common Factor of 99, 60, 17, 15

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

• Greatest Common Factor of 99, 60, 17, 15 by common division method
• Greatest Common Factor of 99, 60, 17, 15 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 99

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

1,3,9,11,33,99

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 15

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

1,3,5,15

Greatest Common Factor

We found the factors 99,60,17,15 . The biggest common factor number is the GCF number.
So the greatest common factor 99,60,17,15 is 1.

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

• GCF of 40, 22, 13, 55
• GCF of 19, 61, 88, 53
• GCF of 97, 66, 44, 94
• GCF of 71, 24, 19, 65
• GCF of 30, 68, 78, 99

1. What is the GCF of 99, 60, 17, 15?

Answer: GCF of 99, 60, 17, 15 is 1.

2. How to Find the GCF of 99, 60, 17, 15

Answer: Greatest Common Factor(GCF) of 99, 60, 17, 15 = 1

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

Step 2: Then multiply all the prime factors GCF(99, 60, 17, 15) = 1.