Greatest Common Factor of 60, 19, 17, 990

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

• Greatest Common Factor of 60, 19, 17, 990 by common division method
• Greatest Common Factor of 60, 19, 17, 990 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 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 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 17

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

1,17

Factors of 990

List of positive integer factors of 990 that divides 990 without a remainder.

1,2,3,5,6,9,10,11,15,18,22,30,33,45,55,66,90,99,110,165,198,330,495,990

Greatest Common Factor

We found the factors 60,19,17,990 . The biggest common factor number is the GCF number.
So the greatest common factor 60,19,17,990 is 1.

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

• GCF of 19, 68, 58, 922
• GCF of 65, 66, 10, 337
• GCF of 50, 72, 78, 683
• GCF of 25, 93, 70, 149
• GCF of 50, 33, 14, 444

1. What is the GCF of 60, 19, 17, 990?

Answer: GCF of 60, 19, 17, 990 is 1.

2. How to Find the GCF of 60, 19, 17, 990

Answer: Greatest Common Factor(GCF) of 60, 19, 17, 990 = 1

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

Step 2: Then multiply all the prime factors GCF(60, 19, 17, 990) = 1.