Greatest Common Factor of 30, 17, 87, 825

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

• Greatest Common Factor of 30, 17, 87, 825 by common division method
• Greatest Common Factor of 30, 17, 87, 825 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

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 825

List of positive integer factors of 825 that divides 825 without a remainder.

1,3,5,11,15,25,33,55,75,165,275,825

Greatest Common Factor

We found the factors 30,17,87,825 . The biggest common factor number is the GCF number.
So the greatest common factor 30,17,87,825 is 1.

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

• GCF of 45, 42, 50, 375
• GCF of 82, 66, 87, 676
• GCF of 27, 47, 12, 177
• GCF of 54, 19, 82, 669
• GCF of 14, 20, 56, 372

1. What is the GCF of 30, 17, 87, 825?

Answer: GCF of 30, 17, 87, 825 is 1.

2. How to Find the GCF of 30, 17, 87, 825

Answer: Greatest Common Factor(GCF) of 30, 17, 87, 825 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 17, 87, 825) = 1.