Greatest Common Factor of 48, 20, 642

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

• Greatest Common Factor of 48, 20, 642 by common division method
• Greatest Common Factor of 48, 20, 642 with matching the biggest common factor

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

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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Greatest Common Factor

We found the factors 48,20,642 . The biggest common factor number is the GCF number.
So the greatest common factor 48,20,642 is 2.

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

• GCF of 93, 30, 491
• GCF of 10, 24, 350
• GCF of 74, 79, 419
• GCF of 80, 40, 249
• GCF of 10, 53, 799

1. What is the GCF of 48, 20, 642?

Answer: GCF of 48, 20, 642 is 2.

2. How to Find the GCF of 48, 20, 642

Answer: Greatest Common Factor(GCF) of 48, 20, 642 = 2

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

Step 2: Then multiply all the prime factors GCF(48, 20, 642) = 2.