Greatest Common Factor of 30, 57, 20, 183

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

• Greatest Common Factor of 30, 57, 20, 183 by common division method
• Greatest Common Factor of 30, 57, 20, 183 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

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 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 20

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

1,2,4,5,10,20

Factors of 183

List of positive integer factors of 183 that divides 183 without a remainder.

1,3,61,183

Greatest Common Factor

We found the factors 30,57,20,183 . The biggest common factor number is the GCF number.
So the greatest common factor 30,57,20,183 is 1.

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

• GCF of 20, 29, 18, 468
• GCF of 60, 22, 70, 410
• GCF of 82, 54, 30, 215
• GCF of 48, 13, 47, 791
• GCF of 62, 64, 60, 243

1. What is the GCF of 30, 57, 20, 183?

Answer: GCF of 30, 57, 20, 183 is 1.

2. How to Find the GCF of 30, 57, 20, 183

Answer: Greatest Common Factor(GCF) of 30, 57, 20, 183 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 57, 20, 183) = 1.