Greatest Common Factor of 138, 42, 512

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

• Greatest Common Factor of 138, 42, 512 by common division method
• Greatest Common Factor of 138, 42, 512 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 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

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 512

List of positive integer factors of 512 that divides 512 without a remainder.

1,2,4,8,16,32,64,128,256,512

Greatest Common Factor

We found the factors 138,42,512 . The biggest common factor number is the GCF number.
So the greatest common factor 138,42,512 is 2.

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

• GCF of 950, 33, 339
• GCF of 162, 56, 317
• GCF of 287, 53, 612
• GCF of 898, 80, 512
• GCF of 525, 58, 296

1. What is the GCF of 138, 42, 512?

Answer: GCF of 138, 42, 512 is 2.

2. How to Find the GCF of 138, 42, 512

Answer: Greatest Common Factor(GCF) of 138, 42, 512 = 2

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

Step 2: Then multiply all the prime factors GCF(138, 42, 512) = 2.