Greatest Common Factor of 720, 822, 638

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

• Greatest Common Factor of 720, 822, 638 by common division method
• Greatest Common Factor of 720, 822, 638 with matching the biggest common factor

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

Factors of 720

List of positive integer factors of 720 that divides 720 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,36,40,45,48,60,72,80,90,120,144,180,240,360,720

Factors of 822

List of positive integer factors of 822 that divides 822 without a remainder.

1,2,3,6,137,274,411,822

Factors of 638

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

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

Greatest Common Factor

We found the factors 720,822,638 . The biggest common factor number is the GCF number.
So the greatest common factor 720,822,638 is 2.

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

• GCF of 911, 643, 283
• GCF of 515, 906, 997
• GCF of 205, 561, 237
• GCF of 357, 722, 973
• GCF of 870, 777, 841

1. What is the GCF of 720, 822, 638?

Answer: GCF of 720, 822, 638 is 2.

2. How to Find the GCF of 720, 822, 638

Answer: Greatest Common Factor(GCF) of 720, 822, 638 = 2

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

Step 2: Then multiply all the prime factors GCF(720, 822, 638) = 2.