Greatest Common Factor of 42, 28, 10, 816

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

• Greatest Common Factor of 42, 28, 10, 816 by common division method
• Greatest Common Factor of 42, 28, 10, 816 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 816

List of positive integer factors of 816 that divides 816 without a remainder.

1,2,3,4,6,8,12,16,17,24,34,48,51,68,102,136,204,272,408,816

Greatest Common Factor

We found the factors 42,28,10,816 . The biggest common factor number is the GCF number.
So the greatest common factor 42,28,10,816 is 2.

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

• GCF of 25, 26, 83, 734
• GCF of 47, 23, 36, 158
• GCF of 65, 82, 11, 692
• GCF of 84, 37, 26, 549
• GCF of 34, 56, 44, 382

1. What is the GCF of 42, 28, 10, 816?

Answer: GCF of 42, 28, 10, 816 is 2.

2. How to Find the GCF of 42, 28, 10, 816

Answer: Greatest Common Factor(GCF) of 42, 28, 10, 816 = 2

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

Step 2: Then multiply all the prime factors GCF(42, 28, 10, 816) = 2.