Greatest Common Factor of 42, 81, 93, 215

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

• Greatest Common Factor of 42, 81, 93, 215 by common division method
• Greatest Common Factor of 42, 81, 93, 215 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 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 93

List of positive integer factors of 93 that divides 93 without a remainder.

1,3,31,93

Factors of 215

List of positive integer factors of 215 that divides 215 without a remainder.

1,5,43,215

Greatest Common Factor

We found the factors 42,81,93,215 . The biggest common factor number is the GCF number.
So the greatest common factor 42,81,93,215 is 1.

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

• GCF of 15, 85, 41, 237
• GCF of 38, 65, 85, 803
• GCF of 77, 35, 63, 918
• GCF of 70, 81, 89, 344
• GCF of 95, 95, 13, 798

1. What is the GCF of 42, 81, 93, 215?

Answer: GCF of 42, 81, 93, 215 is 1.

2. How to Find the GCF of 42, 81, 93, 215

Answer: Greatest Common Factor(GCF) of 42, 81, 93, 215 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 81, 93, 215) = 1.