Greatest Common Factor of 640, 580, 28

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

• Greatest Common Factor of 640, 580, 28 by common division method
• Greatest Common Factor of 640, 580, 28 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 640

List of positive integer factors of 640 that divides 640 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640

Factors of 580

List of positive integer factors of 580 that divides 580 without a remainder.

1,2,4,5,10,20,29,58,116,145,290,580

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Greatest Common Factor

We found the factors 640,580,28 . The biggest common factor number is the GCF number.
So the greatest common factor 640,580,28 is 4.

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

• GCF of 802, 603, 50
• GCF of 160, 826, 48
• GCF of 574, 336, 26
• GCF of 895, 119, 32
• GCF of 276, 173, 72

1. What is the GCF of 640, 580, 28?

Answer: GCF of 640, 580, 28 is 4.

2. How to Find the GCF of 640, 580, 28

Answer: Greatest Common Factor(GCF) of 640, 580, 28 = 4

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

Step 2: Then multiply all the prime factors GCF(640, 580, 28) = 4.