Greatest Common Factor of 42, 74, 16, 638

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

• Greatest Common Factor of 42, 74, 16, 638 by common division method
• Greatest Common Factor of 42, 74, 16, 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 42

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

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

Factors of 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

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 42,74,16,638 . The biggest common factor number is the GCF number.
So the greatest common factor 42,74,16,638 is 2.

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

• GCF of 46, 89, 66, 413
• GCF of 76, 28, 52, 737
• GCF of 25, 49, 71, 507
• GCF of 56, 33, 14, 938
• GCF of 45, 58, 19, 870

1. What is the GCF of 42, 74, 16, 638?

Answer: GCF of 42, 74, 16, 638 is 2.

2. How to Find the GCF of 42, 74, 16, 638

Answer: Greatest Common Factor(GCF) of 42, 74, 16, 638 = 2

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

Step 2: Then multiply all the prime factors GCF(42, 74, 16, 638) = 2.