Greatest Common Factor of 42, 72, 42, 173

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

• Greatest Common Factor of 42, 72, 42, 173 by common division method
• Greatest Common Factor of 42, 72, 42, 173 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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

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 173

List of positive integer factors of 173 that divides 173 without a remainder.

1,173

Greatest Common Factor

We found the factors 42,72,42,173 . The biggest common factor number is the GCF number.
So the greatest common factor 42,72,42,173 is 1.

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

• GCF of 71, 20, 86, 115
• GCF of 84, 27, 66, 211
• GCF of 10, 72, 86, 671
• GCF of 88, 46, 45, 636
• GCF of 88, 58, 95, 291

1. What is the GCF of 42, 72, 42, 173?

Answer: GCF of 42, 72, 42, 173 is 1.

2. How to Find the GCF of 42, 72, 42, 173

Answer: Greatest Common Factor(GCF) of 42, 72, 42, 173 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 72, 42, 173) = 1.