Greatest Common Factor of 42, 91, 240

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

• Greatest Common Factor of 42, 91, 240 by common division method
• Greatest Common Factor of 42, 91, 240 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 240

List of positive integer factors of 240 that divides 240 without a remainder.

1,2,3,4,5,6,8,10,12,15,16,20,24,30,40,48,60,80,120,240

Greatest Common Factor

We found the factors 42,91,240 . The biggest common factor number is the GCF number.
So the greatest common factor 42,91,240 is 1.

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

• GCF of 34, 74, 867
• GCF of 25, 60, 271
• GCF of 54, 30, 481
• GCF of 90, 19, 742
• GCF of 95, 53, 607

1. What is the GCF of 42, 91, 240?

Answer: GCF of 42, 91, 240 is 1.

2. How to Find the GCF of 42, 91, 240

Answer: Greatest Common Factor(GCF) of 42, 91, 240 = 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, 240) = 1.