Greatest Common Factor of 825, 855, 30

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

• Greatest Common Factor of 825, 855, 30 by common division method
• Greatest Common Factor of 825, 855, 30 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 x 5 = 15

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

Factors of 855

List of positive integer factors of 855 that divides 855 without a remainder.

1,3,5,9,15,19,45,57,95,171,285,855

Factors of 30

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

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

Greatest Common Factor

We found the factors 825,855,30 . The biggest common factor number is the GCF number.
So the greatest common factor 825,855,30 is 15.

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

• GCF of 730, 281, 65
• GCF of 861, 469, 90
• GCF of 120, 480, 40
• GCF of 523, 242, 97
• GCF of 412, 426, 75

1. What is the GCF of 825, 855, 30?

Answer: GCF of 825, 855, 30 is 15.

2. How to Find the GCF of 825, 855, 30

Answer: Greatest Common Factor(GCF) of 825, 855, 30 = 15

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

Step 2: Then multiply all the prime factors GCF(825, 855, 30) = 15.