Greatest Common Factor of 920, 638, 640

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

• Greatest Common Factor of 920, 638, 640 by common division method
• Greatest Common Factor of 920, 638, 640 with matching the biggest common factor

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

Factors of 920

List of positive integer factors of 920 that divides 920 without a remainder.

1,2,4,5,8,10,20,23,40,46,92,115,184,230,460,920

Factors of 638

List of positive integer factors of 638 that divides 638 without a remainder.

1,2,11,22,29,58,319,638

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

Greatest Common Factor

We found the factors 920,638,640 . The biggest common factor number is the GCF number.
So the greatest common factor 920,638,640 is 2.

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

• GCF of 288, 811, 656
• GCF of 966, 337, 570
• GCF of 148, 335, 369
• GCF of 425, 269, 750
• GCF of 710, 128, 798

1. What is the GCF of 920, 638, 640?

Answer: GCF of 920, 638, 640 is 2.

2. How to Find the GCF of 920, 638, 640

Answer: Greatest Common Factor(GCF) of 920, 638, 640 = 2

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

Step 2: Then multiply all the prime factors GCF(920, 638, 640) = 2.