Greatest Common Factor of 75, 28, 520

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

• Greatest Common Factor of 75, 28, 520 by common division method
• Greatest Common Factor of 75, 28, 520 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 520

List of positive integer factors of 520 that divides 520 without a remainder.

1,2,4,5,8,10,13,20,26,40,52,65,104,130,260,520

Greatest Common Factor

We found the factors 75,28,520 . The biggest common factor number is the GCF number.
So the greatest common factor 75,28,520 is 1.

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

• GCF of 88, 69, 807
• GCF of 45, 96, 986
• GCF of 64, 60, 909
• GCF of 17, 71, 429
• GCF of 47, 67, 990

1. What is the GCF of 75, 28, 520?

Answer: GCF of 75, 28, 520 is 1.

2. How to Find the GCF of 75, 28, 520

Answer: Greatest Common Factor(GCF) of 75, 28, 520 = 1

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

Step 2: Then multiply all the prime factors GCF(75, 28, 520) = 1.