Greatest Common Factor of 64, 60, 80, 20, 636

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

• Greatest Common Factor of 64, 60, 80, 20, 636 by common division method
• Greatest Common Factor of 64, 60, 80, 20, 636 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 x 2 = 4

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 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 20

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

1,2,4,5,10,20

Factors of 636

List of positive integer factors of 636 that divides 636 without a remainder.

1,2,3,4,6,12,53,106,159,212,318,636

Greatest Common Factor

We found the factors 64,60,80,20,636 . The biggest common factor number is the GCF number.
So the greatest common factor 64,60,80,20,636 is 4.

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

• GCF of 19, 36, 84, 83, 971
• GCF of 80, 82, 17, 23, 240
• GCF of 91, 92, 97, 72, 369
• GCF of 68, 68, 11, 35, 123
• GCF of 72, 93, 78, 31, 103

1. What is the GCF of 64, 60, 80, 20, 636?

Answer: GCF of 64, 60, 80, 20, 636 is 4.

2. How to Find the GCF of 64, 60, 80, 20, 636

Answer: Greatest Common Factor(GCF) of 64, 60, 80, 20, 636 = 4

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

Step 2: Then multiply all the prime factors GCF(64, 60, 80, 20, 636) = 4.