Greatest Common Factor of 28, 68, 36, 75

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

• Greatest Common Factor of 28, 68, 36, 75 by common division method
• Greatest Common Factor of 28, 68, 36, 75 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 28

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

1,2,4,7,14,28

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Factors of 75

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

1,3,5,15,25,75

Greatest Common Factor

We found the factors 28,68,36,75 . The biggest common factor number is the GCF number.
So the greatest common factor 28,68,36,75 is 1.

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

• GCF of 46, 45, 39, 32
• GCF of 53, 90, 13, 51
• GCF of 14, 30, 67, 58
• GCF of 16, 53, 83, 87
• GCF of 27, 90, 47, 98

1. What is the GCF of 28, 68, 36, 75?

Answer: GCF of 28, 68, 36, 75 is 1.

2. How to Find the GCF of 28, 68, 36, 75

Answer: Greatest Common Factor(GCF) of 28, 68, 36, 75 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 68, 36, 75) = 1.