Greatest Common Factor of 140, 789, 20

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

• Greatest Common Factor of 140, 789, 20 by common division method
• Greatest Common Factor of 140, 789, 20 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 140

List of positive integer factors of 140 that divides 140 without a remainder.

1,2,4,5,7,10,14,20,28,35,70,140

Factors of 789

List of positive integer factors of 789 that divides 789 without a remainder.

1,3,263,789

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 140,789,20 . The biggest common factor number is the GCF number.
So the greatest common factor 140,789,20 is 1.

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

• GCF of 501, 176, 95
• GCF of 547, 166, 51
• GCF of 909, 414, 35
• GCF of 533, 479, 17
• GCF of 446, 738, 23

1. What is the GCF of 140, 789, 20?

Answer: GCF of 140, 789, 20 is 1.

2. How to Find the GCF of 140, 789, 20

Answer: Greatest Common Factor(GCF) of 140, 789, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(140, 789, 20) = 1.