Greatest Common Factor of 42, 60, 247

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

• Greatest Common Factor of 42, 60, 247 by common division method
• Greatest Common Factor of 42, 60, 247 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 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 247

List of positive integer factors of 247 that divides 247 without a remainder.

1,13,19,247

Greatest Common Factor

We found the factors 42,60,247 . The biggest common factor number is the GCF number.
So the greatest common factor 42,60,247 is 1.

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

• GCF of 19, 75, 588
• GCF of 79, 48, 298
• GCF of 10, 44, 317
• GCF of 70, 53, 630
• GCF of 83, 51, 883

1. What is the GCF of 42, 60, 247?

Answer: GCF of 42, 60, 247 is 1.

2. How to Find the GCF of 42, 60, 247

Answer: Greatest Common Factor(GCF) of 42, 60, 247 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 60, 247) = 1.