Greatest Common Factor of 42, 185, 170

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

• Greatest Common Factor of 42, 185, 170 by common division method
• Greatest Common Factor of 42, 185, 170 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 185

List of positive integer factors of 185 that divides 185 without a remainder.

1,5,37,185

Factors of 170

List of positive integer factors of 170 that divides 170 without a remainder.

1,2,5,10,17,34,85,170

Greatest Common Factor

We found the factors 42,185,170 . The biggest common factor number is the GCF number.
So the greatest common factor 42,185,170 is 1.

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

• GCF of 23, 158, 652
• GCF of 43, 722, 284
• GCF of 53, 784, 188
• GCF of 26, 978, 734
• GCF of 83, 177, 276

1. What is the GCF of 42, 185, 170?

Answer: GCF of 42, 185, 170 is 1.

2. How to Find the GCF of 42, 185, 170

Answer: Greatest Common Factor(GCF) of 42, 185, 170 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 185, 170) = 1.