Greatest Common Factor of 55, 39, 66, 342

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

• Greatest Common Factor of 55, 39, 66, 342 by common division method
• Greatest Common Factor of 55, 39, 66, 342 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 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 342

List of positive integer factors of 342 that divides 342 without a remainder.

1,2,3,6,9,18,19,38,57,114,171,342

Greatest Common Factor

We found the factors 55,39,66,342 . The biggest common factor number is the GCF number.
So the greatest common factor 55,39,66,342 is 1.

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

• GCF of 78, 71, 66, 552
• GCF of 25, 66, 87, 118
• GCF of 90, 14, 68, 654
• GCF of 77, 79, 21, 275
• GCF of 76, 36, 24, 543

1. What is the GCF of 55, 39, 66, 342?

Answer: GCF of 55, 39, 66, 342 is 1.

2. How to Find the GCF of 55, 39, 66, 342

Answer: Greatest Common Factor(GCF) of 55, 39, 66, 342 = 1

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

Step 2: Then multiply all the prime factors GCF(55, 39, 66, 342) = 1.