Greatest Common Factor of 20, 16, 66, 360

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

• Greatest Common Factor of 20, 16, 66, 360 by common division method
• Greatest Common Factor of 20, 16, 66, 360 with matching the biggest common factor

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

Factors of 20

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

1,2,4,5,10,20

Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

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 360

List of positive integer factors of 360 that divides 360 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,18,20,24,30,36,40,45,60,72,90,120,180,360

Greatest Common Factor

We found the factors 20,16,66,360 . The biggest common factor number is the GCF number.
So the greatest common factor 20,16,66,360 is 2.

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

• GCF of 21, 12, 16, 584
• GCF of 48, 54, 69, 648
• GCF of 99, 69, 39, 507
• GCF of 16, 21, 15, 388
• GCF of 33, 58, 26, 120

1. What is the GCF of 20, 16, 66, 360?

Answer: GCF of 20, 16, 66, 360 is 2.

2. How to Find the GCF of 20, 16, 66, 360

Answer: Greatest Common Factor(GCF) of 20, 16, 66, 360 = 2

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

Step 2: Then multiply all the prime factors GCF(20, 16, 66, 360) = 2.