Greatest Common Factor of 638, 836, 30

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

• Greatest Common Factor of 638, 836, 30 by common division method
• Greatest Common Factor of 638, 836, 30 with matching the biggest common factor

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

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 836

List of positive integer factors of 836 that divides 836 without a remainder.

1,2,4,11,19,22,38,44,76,209,418,836

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Greatest Common Factor

We found the factors 638,836,30 . The biggest common factor number is the GCF number.
So the greatest common factor 638,836,30 is 2.

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

• GCF of 186, 800, 46
• GCF of 400, 232, 97
• GCF of 617, 277, 87
• GCF of 355, 167, 38
• GCF of 135, 276, 49

1. What is the GCF of 638, 836, 30?

Answer: GCF of 638, 836, 30 is 2.

2. How to Find the GCF of 638, 836, 30

Answer: Greatest Common Factor(GCF) of 638, 836, 30 = 2

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

Step 2: Then multiply all the prime factors GCF(638, 836, 30) = 2.