Greatest Common Factor of 20, 12, 230, 505

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

• Greatest Common Factor of 20, 12, 230, 505 by common division method
• Greatest Common Factor of 20, 12, 230, 505 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 20

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

1,2,4,5,10,20

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 230

List of positive integer factors of 230 that divides 230 without a remainder.

1,2,5,10,23,46,115,230

Factors of 505

List of positive integer factors of 505 that divides 505 without a remainder.

1,5,101,505

Greatest Common Factor

We found the factors 20,12,230,505 . The biggest common factor number is the GCF number.
So the greatest common factor 20,12,230,505 is 1.

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

• GCF of 79, 46, 556, 934
• GCF of 79, 70, 671, 778
• GCF of 13, 33, 343, 535
• GCF of 79, 91, 824, 306
• GCF of 43, 11, 335, 471

1. What is the GCF of 20, 12, 230, 505?

Answer: GCF of 20, 12, 230, 505 is 1.

2. How to Find the GCF of 20, 12, 230, 505

Answer: Greatest Common Factor(GCF) of 20, 12, 230, 505 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 12, 230, 505) = 1.