Greatest Common Factor of 42, 72, 84, 378

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

• Greatest Common Factor of 42, 72, 84, 378 by common division method
• Greatest Common Factor of 42, 72, 84, 378 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 x 3 = 6

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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 378

List of positive integer factors of 378 that divides 378 without a remainder.

1,2,3,6,7,9,14,18,21,27,42,54,63,126,189,378

Greatest Common Factor

We found the factors 42,72,84,378 . The biggest common factor number is the GCF number.
So the greatest common factor 42,72,84,378 is 6.

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

• GCF of 73, 54, 38, 393
• GCF of 77, 42, 37, 464
• GCF of 54, 85, 43, 110
• GCF of 73, 46, 70, 603
• GCF of 49, 96, 80, 556

1. What is the GCF of 42, 72, 84, 378?

Answer: GCF of 42, 72, 84, 378 is 6.

2. How to Find the GCF of 42, 72, 84, 378

Answer: Greatest Common Factor(GCF) of 42, 72, 84, 378 = 6

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

Step 2: Then multiply all the prime factors GCF(42, 72, 84, 378) = 6.