Greatest Common Factor of 30, 210, 945

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

• Greatest Common Factor of 30, 210, 945 by common division method
• Greatest Common Factor of 30, 210, 945 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 210

List of positive integer factors of 210 that divides 210 without a remainder.

1,2,3,5,6,7,10,14,15,21,30,35,42,70,105,210

Factors of 945

List of positive integer factors of 945 that divides 945 without a remainder.

1,3,5,7,9,15,21,27,35,45,63,105,135,189,315,945

Greatest Common Factor

We found the factors 30,210,945 . The biggest common factor number is the GCF number.
So the greatest common factor 30,210,945 is 15.

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

• GCF of 17, 180, 911
• GCF of 85, 542, 888
• GCF of 70, 961, 612
• GCF of 40, 552, 255
• GCF of 12, 981, 488

1. What is the GCF of 30, 210, 945?

Answer: GCF of 30, 210, 945 is 15.

2. How to Find the GCF of 30, 210, 945

Answer: Greatest Common Factor(GCF) of 30, 210, 945 = 15

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

Step 2: Then multiply all the prime factors GCF(30, 210, 945) = 15.