Greatest Common Factor of 42, 75, 15, 164

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

• Greatest Common Factor of 42, 75, 15, 164 by common division method
• Greatest Common Factor of 42, 75, 15, 164 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 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 164

List of positive integer factors of 164 that divides 164 without a remainder.

1,2,4,41,82,164

Greatest Common Factor

We found the factors 42,75,15,164 . The biggest common factor number is the GCF number.
So the greatest common factor 42,75,15,164 is 1.

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

• GCF of 70, 31, 27, 141
• GCF of 71, 99, 28, 124
• GCF of 96, 34, 19, 425
• GCF of 98, 74, 94, 578
• GCF of 26, 90, 38, 475

1. What is the GCF of 42, 75, 15, 164?

Answer: GCF of 42, 75, 15, 164 is 1.

2. How to Find the GCF of 42, 75, 15, 164

Answer: Greatest Common Factor(GCF) of 42, 75, 15, 164 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 75, 15, 164) = 1.