Greatest Common Factor of 393, 154, 42

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

• Greatest Common Factor of 393, 154, 42 by common division method
• Greatest Common Factor of 393, 154, 42 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 393

List of positive integer factors of 393 that divides 393 without a remainder.

1,3,131,393

Factors of 154

List of positive integer factors of 154 that divides 154 without a remainder.

1,2,7,11,14,22,77,154

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Greatest Common Factor

We found the factors 393,154,42 . The biggest common factor number is the GCF number.
So the greatest common factor 393,154,42 is 1.

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

• GCF of 940, 297, 26
• GCF of 773, 912, 51
• GCF of 960, 940, 30
• GCF of 436, 452, 72
• GCF of 348, 803, 72

1. What is the GCF of 393, 154, 42?

Answer: GCF of 393, 154, 42 is 1.

2. How to Find the GCF of 393, 154, 42

Answer: Greatest Common Factor(GCF) of 393, 154, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(393, 154, 42) = 1.