Greatest Common Factor of 17, 87, 11, 990

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

• Greatest Common Factor of 17, 87, 11, 990 by common division method
• Greatest Common Factor of 17, 87, 11, 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 17

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

1,17

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

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 17,87,11,990 . The biggest common factor number is the GCF number.
So the greatest common factor 17,87,11,990 is 1.

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

• GCF of 65, 72, 74, 917
• GCF of 37, 80, 16, 494
• GCF of 11, 45, 13, 612
• GCF of 18, 81, 45, 264
• GCF of 44, 30, 77, 748

1. What is the GCF of 17, 87, 11, 990?

Answer: GCF of 17, 87, 11, 990 is 1.

2. How to Find the GCF of 17, 87, 11, 990

Answer: Greatest Common Factor(GCF) of 17, 87, 11, 990 = 1

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

Step 2: Then multiply all the prime factors GCF(17, 87, 11, 990) = 1.