Greatest Common Factor of 20, 49, 45, 600

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

• Greatest Common Factor of 20, 49, 45, 600 by common division method
• Greatest Common Factor of 20, 49, 45, 600 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 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 600

List of positive integer factors of 600 that divides 600 without a remainder.

1,2,3,4,5,6,8,10,12,15,20,24,25,30,40,50,60,75,100,120,150,200,300,600

Greatest Common Factor

We found the factors 20,49,45,600 . The biggest common factor number is the GCF number.
So the greatest common factor 20,49,45,600 is 1.

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

• GCF of 33, 41, 73, 670
• GCF of 71, 41, 13, 678
• GCF of 39, 47, 16, 654
• GCF of 82, 51, 79, 921
• GCF of 91, 22, 39, 702

1. What is the GCF of 20, 49, 45, 600?

Answer: GCF of 20, 49, 45, 600 is 1.

2. How to Find the GCF of 20, 49, 45, 600

Answer: Greatest Common Factor(GCF) of 20, 49, 45, 600 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 49, 45, 600) = 1.