Greatest Common Factor of 42, 87, 12, 168

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

• Greatest Common Factor of 42, 87, 12, 168 by common division method
• Greatest Common Factor of 42, 87, 12, 168 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

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 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 168

List of positive integer factors of 168 that divides 168 without a remainder.

1,2,3,4,6,7,8,12,14,21,24,28,42,56,84,168

Greatest Common Factor

We found the factors 42,87,12,168 . The biggest common factor number is the GCF number.
So the greatest common factor 42,87,12,168 is 3.

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

• GCF of 63, 66, 91, 601
• GCF of 38, 72, 99, 544
• GCF of 43, 93, 33, 996
• GCF of 29, 89, 68, 672
• GCF of 32, 43, 12, 902

1. What is the GCF of 42, 87, 12, 168?

Answer: GCF of 42, 87, 12, 168 is 3.

2. How to Find the GCF of 42, 87, 12, 168

Answer: Greatest Common Factor(GCF) of 42, 87, 12, 168 = 3

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

Step 2: Then multiply all the prime factors GCF(42, 87, 12, 168) = 3.