Greatest Common Factor of 28, 69, 40, 52

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

• Greatest Common Factor of 28, 69, 40, 52 by common division method
• Greatest Common Factor of 28, 69, 40, 52 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 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 52

List of positive integer factors of 52 that divides 52 without a remainder.

1,2,4,13,26,52

Greatest Common Factor

We found the factors 28,69,40,52 . The biggest common factor number is the GCF number.
So the greatest common factor 28,69,40,52 is 1.

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

• GCF of 14, 99, 48, 98
• GCF of 32, 19, 30, 97
• GCF of 21, 62, 96, 29
• GCF of 72, 34, 16, 70
• GCF of 25, 31, 99, 37

1. What is the GCF of 28, 69, 40, 52?

Answer: GCF of 28, 69, 40, 52 is 1.

2. How to Find the GCF of 28, 69, 40, 52

Answer: Greatest Common Factor(GCF) of 28, 69, 40, 52 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 69, 40, 52) = 1.