Greatest Common Factor of 640, 420, 975

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

• Greatest Common Factor of 640, 420, 975 by common division method
• Greatest Common Factor of 640, 420, 975 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 5 = 5

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 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Factors of 975

List of positive integer factors of 975 that divides 975 without a remainder.

1,3,5,13,15,25,39,65,75,195,325,975

Greatest Common Factor

We found the factors 640,420,975 . The biggest common factor number is the GCF number.
So the greatest common factor 640,420,975 is 5.

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

• GCF of 960, 933, 807
• GCF of 370, 134, 809
• GCF of 220, 976, 497
• GCF of 441, 725, 376
• GCF of 185, 101, 159

1. What is the GCF of 640, 420, 975?

Answer: GCF of 640, 420, 975 is 5.

2. How to Find the GCF of 640, 420, 975

Answer: Greatest Common Factor(GCF) of 640, 420, 975 = 5

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

Step 2: Then multiply all the prime factors GCF(640, 420, 975) = 5.