Greatest Common Factor of 30, 815, 670

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

• Greatest Common Factor of 30, 815, 670 by common division method
• Greatest Common Factor of 30, 815, 670 with matching the biggest common factor

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∴ So the GCF of the given numbers is 5 = 5

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 815

List of positive integer factors of 815 that divides 815 without a remainder.

1,5,163,815

Factors of 670

List of positive integer factors of 670 that divides 670 without a remainder.

1,2,5,10,67,134,335,670

Greatest Common Factor

We found the factors 30,815,670 . The biggest common factor number is the GCF number.
So the greatest common factor 30,815,670 is 5.

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

• GCF of 11, 629, 982
• GCF of 65, 697, 802
• GCF of 23, 782, 709
• GCF of 57, 460, 484
• GCF of 58, 118, 290

1. What is the GCF of 30, 815, 670?

Answer: GCF of 30, 815, 670 is 5.

2. How to Find the GCF of 30, 815, 670

Answer: Greatest Common Factor(GCF) of 30, 815, 670 = 5

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

Step 2: Then multiply all the prime factors GCF(30, 815, 670) = 5.