Greatest Common Factor of 30, 975, 870

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

• Greatest Common Factor of 30, 975, 870 by common division method
• Greatest Common Factor of 30, 975, 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 975

List of positive integer factors of 975 that divides 975 without a remainder.

1,3,5,13,15,25,39,65,75,195,325,975

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 30,975,870 . The biggest common factor number is the GCF number.
So the greatest common factor 30,975,870 is 15.

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

• GCF of 98, 942, 495
• GCF of 53, 297, 294
• GCF of 18, 400, 921
• GCF of 23, 307, 211
• GCF of 24, 899, 667

1. What is the GCF of 30, 975, 870?

Answer: GCF of 30, 975, 870 is 15.

2. How to Find the GCF of 30, 975, 870

Answer: Greatest Common Factor(GCF) of 30, 975, 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, 975, 870) = 15.