Greatest Common Factor of 42, 77, 30, 273

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

• Greatest Common Factor of 42, 77, 30, 273 by common division method
• Greatest Common Factor of 42, 77, 30, 273 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 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 273

List of positive integer factors of 273 that divides 273 without a remainder.

1,3,7,13,21,39,91,273

Greatest Common Factor

We found the factors 42,77,30,273 . The biggest common factor number is the GCF number.
So the greatest common factor 42,77,30,273 is 1.

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

• GCF of 72, 98, 16, 928
• GCF of 74, 70, 79, 884
• GCF of 40, 92, 89, 427
• GCF of 20, 13, 70, 607
• GCF of 54, 65, 82, 202

1. What is the GCF of 42, 77, 30, 273?

Answer: GCF of 42, 77, 30, 273 is 1.

2. How to Find the GCF of 42, 77, 30, 273

Answer: Greatest Common Factor(GCF) of 42, 77, 30, 273 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 77, 30, 273) = 1.