Greatest Common Factor of 20, 65, 43, 136

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

• Greatest Common Factor of 20, 65, 43, 136 by common division method
• Greatest Common Factor of 20, 65, 43, 136 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

Factors of 136

List of positive integer factors of 136 that divides 136 without a remainder.

1,2,4,8,17,34,68,136

Greatest Common Factor

We found the factors 20,65,43,136 . The biggest common factor number is the GCF number.
So the greatest common factor 20,65,43,136 is 1.

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

• GCF of 63, 34, 82, 383
• GCF of 53, 92, 38, 182
• GCF of 11, 41, 12, 152
• GCF of 23, 44, 48, 822
• GCF of 66, 50, 89, 385

1. What is the GCF of 20, 65, 43, 136?

Answer: GCF of 20, 65, 43, 136 is 1.

2. How to Find the GCF of 20, 65, 43, 136

Answer: Greatest Common Factor(GCF) of 20, 65, 43, 136 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 65, 43, 136) = 1.