Greatest Common Factor of 66, 42, 30, 580

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

• Greatest Common Factor of 66, 42, 30, 580 by common division method
• Greatest Common Factor of 66, 42, 30, 580 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

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

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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

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 580

List of positive integer factors of 580 that divides 580 without a remainder.

1,2,4,5,10,20,29,58,116,145,290,580

Greatest Common Factor

We found the factors 66,42,30,580 . The biggest common factor number is the GCF number.
So the greatest common factor 66,42,30,580 is 2.

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

• GCF of 27, 39, 67, 348
• GCF of 37, 83, 49, 534
• GCF of 19, 28, 18, 826
• GCF of 93, 62, 59, 439
• GCF of 50, 25, 49, 345

1. What is the GCF of 66, 42, 30, 580?

Answer: GCF of 66, 42, 30, 580 is 2.

2. How to Find the GCF of 66, 42, 30, 580

Answer: Greatest Common Factor(GCF) of 66, 42, 30, 580 = 2

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

Step 2: Then multiply all the prime factors GCF(66, 42, 30, 580) = 2.