Greatest Common Factor of 64, 49, 20, 18

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

• Greatest Common Factor of 64, 49, 20, 18 by common division method
• Greatest Common Factor of 64, 49, 20, 18 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 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 49

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

1,7,49

Factors of 20

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

1,2,4,5,10,20

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Greatest Common Factor

We found the factors 64,49,20,18 . The biggest common factor number is the GCF number.
So the greatest common factor 64,49,20,18 is 1.

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

• GCF of 44, 30, 52, 20
• GCF of 87, 29, 91, 56
• GCF of 46, 89, 73, 21
• GCF of 91, 88, 77, 94
• GCF of 94, 78, 26, 88

1. What is the GCF of 64, 49, 20, 18?

Answer: GCF of 64, 49, 20, 18 is 1.

2. How to Find the GCF of 64, 49, 20, 18

Answer: Greatest Common Factor(GCF) of 64, 49, 20, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 49, 20, 18) = 1.