Greatest Common Factor of 75, 25, 42

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

• Greatest Common Factor of 75, 25, 42 by common division method
• Greatest Common Factor of 75, 25, 42 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 75

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

1,3,5,15,25,75

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Greatest Common Factor

We found the factors 75,25,42 . The biggest common factor number is the GCF number.
So the greatest common factor 75,25,42 is 1.

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

• GCF of 29, 49, 36
• GCF of 68, 31, 55
• GCF of 28, 63, 91
• GCF of 94, 83, 12
• GCF of 39, 97, 97

1. What is the GCF of 75, 25, 42?

Answer: GCF of 75, 25, 42 is 1.

2. How to Find the GCF of 75, 25, 42

Answer: Greatest Common Factor(GCF) of 75, 25, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(75, 25, 42) = 1.