Greatest Common Factor of 68, 26, 42, 638

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

• Greatest Common Factor of 68, 26, 42, 638 by common division method
• Greatest Common Factor of 68, 26, 42, 638 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

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

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 26

List of positive integer factors of 26 that divides 26 without a remainder.

1,2,13,26

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

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 68,26,42,638 . The biggest common factor number is the GCF number.
So the greatest common factor 68,26,42,638 is 2.

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

• GCF of 35, 47, 40, 583
• GCF of 58, 29, 56, 676
• GCF of 46, 28, 59, 890
• GCF of 40, 80, 10, 231
• GCF of 55, 73, 79, 586

1. What is the GCF of 68, 26, 42, 638?

Answer: GCF of 68, 26, 42, 638 is 2.

2. How to Find the GCF of 68, 26, 42, 638

Answer: Greatest Common Factor(GCF) of 68, 26, 42, 638 = 2

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

Step 2: Then multiply all the prime factors GCF(68, 26, 42, 638) = 2.