Greatest Common Factor of 48, 30, 639

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

• Greatest Common Factor of 48, 30, 639 by common division method
• Greatest Common Factor of 48, 30, 639 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

Factors of 30

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

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

Factors of 639

List of positive integer factors of 639 that divides 639 without a remainder.

1,3,9,71,213,639

Greatest Common Factor

We found the factors 48,30,639 . The biggest common factor number is the GCF number.
So the greatest common factor 48,30,639 is 3.

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

• GCF of 58, 42, 855
• GCF of 81, 79, 665
• GCF of 91, 67, 580
• GCF of 82, 17, 180
• GCF of 34, 97, 844

1. What is the GCF of 48, 30, 639?

Answer: GCF of 48, 30, 639 is 3.

2. How to Find the GCF of 48, 30, 639

Answer: Greatest Common Factor(GCF) of 48, 30, 639 = 3

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

Step 2: Then multiply all the prime factors GCF(48, 30, 639) = 3.