Greatest Common Factor of 42, 63, 378

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

• Greatest Common Factor of 42, 63, 378 by common division method
• Greatest Common Factor of 42, 63, 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 3 x 7 = 21

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 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

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 42,63,378 . The biggest common factor number is the GCF number.
So the greatest common factor 42,63,378 is 21.

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

• GCF of 10, 81, 204
• GCF of 74, 69, 660
• GCF of 17, 29, 362
• GCF of 91, 79, 575
• GCF of 63, 58, 144

1. What is the GCF of 42, 63, 378?

Answer: GCF of 42, 63, 378 is 21.

2. How to Find the GCF of 42, 63, 378

Answer: Greatest Common Factor(GCF) of 42, 63, 378 = 21

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

Step 2: Then multiply all the prime factors GCF(42, 63, 378) = 21.