Greatest Common Factor of 42, 91, 73, 387

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

• Greatest Common Factor of 42, 91, 73, 387 by common division method
• Greatest Common Factor of 42, 91, 73, 387 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 42

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

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

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Factors of 387

List of positive integer factors of 387 that divides 387 without a remainder.

1,3,9,43,129,387

Greatest Common Factor

We found the factors 42,91,73,387 . The biggest common factor number is the GCF number.
So the greatest common factor 42,91,73,387 is 1.

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

• GCF of 13, 46, 29, 491
• GCF of 93, 49, 69, 123
• GCF of 57, 84, 45, 790
• GCF of 12, 18, 83, 209
• GCF of 27, 45, 88, 223

1. What is the GCF of 42, 91, 73, 387?

Answer: GCF of 42, 91, 73, 387 is 1.

2. How to Find the GCF of 42, 91, 73, 387

Answer: Greatest Common Factor(GCF) of 42, 91, 73, 387 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 91, 73, 387) = 1.