Greatest Common Factor of 70, 20, 66, 270

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

• Greatest Common Factor of 70, 20, 66, 270 by common division method
• Greatest Common Factor of 70, 20, 66, 270 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 270

List of positive integer factors of 270 that divides 270 without a remainder.

1,2,3,5,6,9,10,15,18,27,30,45,54,90,135,270

Greatest Common Factor

We found the factors 70,20,66,270 . The biggest common factor number is the GCF number.
So the greatest common factor 70,20,66,270 is 2.

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

• GCF of 74, 23, 35, 567
• GCF of 39, 88, 11, 821
• GCF of 20, 74, 16, 738
• GCF of 57, 71, 62, 387
• GCF of 32, 44, 27, 859

1. What is the GCF of 70, 20, 66, 270?

Answer: GCF of 70, 20, 66, 270 is 2.

2. How to Find the GCF of 70, 20, 66, 270

Answer: Greatest Common Factor(GCF) of 70, 20, 66, 270 = 2

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

Step 2: Then multiply all the prime factors GCF(70, 20, 66, 270) = 2.