Greatest Common Factor of 381, 643, 42

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

• Greatest Common Factor of 381, 643, 42 by common division method
• Greatest Common Factor of 381, 643, 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 381

List of positive integer factors of 381 that divides 381 without a remainder.

1,3,127,381

Factors of 643

List of positive integer factors of 643 that divides 643 without a remainder.

1,643

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 381,643,42 . The biggest common factor number is the GCF number.
So the greatest common factor 381,643,42 is 1.

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

• GCF of 235, 173, 50
• GCF of 864, 274, 82
• GCF of 829, 277, 95
• GCF of 615, 573, 71
• GCF of 974, 497, 14

1. What is the GCF of 381, 643, 42?

Answer: GCF of 381, 643, 42 is 1.

2. How to Find the GCF of 381, 643, 42

Answer: Greatest Common Factor(GCF) of 381, 643, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(381, 643, 42) = 1.