Greatest Common Factor of 30, 825, 870

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

• Greatest Common Factor of 30, 825, 870 by common division method
• Greatest Common Factor of 30, 825, 870 with matching the biggest common factor

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

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 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 870

List of positive integer factors of 870 that divides 870 without a remainder.

1,2,3,5,6,10,15,29,30,58,87,145,174,290,435,870

Greatest Common Factor

We found the factors 30,825,870 . The biggest common factor number is the GCF number.
So the greatest common factor 30,825,870 is 15.

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

• GCF of 75, 141, 845
• GCF of 78, 918, 951
• GCF of 84, 583, 707
• GCF of 40, 166, 304
• GCF of 39, 450, 750

1. What is the GCF of 30, 825, 870?

Answer: GCF of 30, 825, 870 is 15.

2. How to Find the GCF of 30, 825, 870

Answer: Greatest Common Factor(GCF) of 30, 825, 870 = 15

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

Step 2: Then multiply all the prime factors GCF(30, 825, 870) = 15.