Greatest Common Factor of 640, 900, 490

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

• Greatest Common Factor of 640, 900, 490 by common division method
• Greatest Common Factor of 640, 900, 490 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 5 = 10

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 900

List of positive integer factors of 900 that divides 900 without a remainder.

1,2,3,4,5,6,9,10,12,15,18,20,25,30,36,45,50,60,75,90,100,150,180,225,300,450,900

Factors of 490

List of positive integer factors of 490 that divides 490 without a remainder.

1,2,5,7,10,14,35,49,70,98,245,490

Greatest Common Factor

We found the factors 640,900,490 . The biggest common factor number is the GCF number.
So the greatest common factor 640,900,490 is 10.

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

• GCF of 578, 656, 530
• GCF of 872, 976, 569
• GCF of 708, 127, 902
• GCF of 911, 987, 297
• GCF of 475, 702, 213

1. What is the GCF of 640, 900, 490?

Answer: GCF of 640, 900, 490 is 10.

2. How to Find the GCF of 640, 900, 490

Answer: Greatest Common Factor(GCF) of 640, 900, 490 = 10

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

Step 2: Then multiply all the prime factors GCF(640, 900, 490) = 10.