Greatest Common Factor of 55, 18, 56, 378

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

• Greatest Common Factor of 55, 18, 56, 378 by common division method
• Greatest Common Factor of 55, 18, 56, 378 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

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 55,18,56,378 . The biggest common factor number is the GCF number.
So the greatest common factor 55,18,56,378 is 1.

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

• GCF of 26, 98, 94, 649
• GCF of 73, 95, 22, 810
• GCF of 98, 60, 55, 234
• GCF of 38, 34, 63, 277
• GCF of 84, 21, 26, 308

1. What is the GCF of 55, 18, 56, 378?

Answer: GCF of 55, 18, 56, 378 is 1.

2. How to Find the GCF of 55, 18, 56, 378

Answer: Greatest Common Factor(GCF) of 55, 18, 56, 378 = 1

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

Step 2: Then multiply all the prime factors GCF(55, 18, 56, 378) = 1.