Greatest Common Factor of 75, 45, 105

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

• Greatest Common Factor of 75, 45, 105 by common division method
• Greatest Common Factor of 75, 45, 105 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 x 5 = 15

Factors of 75

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

1,3,5,15,25,75

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 105

List of positive integer factors of 105 that divides 105 without a remainder.

1,3,5,7,15,21,35,105

Greatest Common Factor

We found the factors 75,45,105 . The biggest common factor number is the GCF number.
So the greatest common factor 75,45,105 is 15.

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

• GCF of 21, 36, 849
• GCF of 62, 60, 150
• GCF of 62, 20, 655
• GCF of 94, 35, 179
• GCF of 92, 82, 870

1. What is the GCF of 75, 45, 105?

Answer: GCF of 75, 45, 105 is 15.

2. How to Find the GCF of 75, 45, 105

Answer: Greatest Common Factor(GCF) of 75, 45, 105 = 15

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

Step 2: Then multiply all the prime factors GCF(75, 45, 105) = 15.