Greatest Common Factor of 28, 40, 343

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

• Greatest Common Factor of 28, 40, 343 by common division method
• Greatest Common Factor of 28, 40, 343 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 40

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

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

Factors of 343

List of positive integer factors of 343 that divides 343 without a remainder.

1,7,49,343

Greatest Common Factor

We found the factors 28,40,343 . The biggest common factor number is the GCF number.
So the greatest common factor 28,40,343 is 1.

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

• GCF of 59, 39, 518
• GCF of 22, 29, 754
• GCF of 59, 63, 870
• GCF of 74, 28, 589
• GCF of 61, 12, 256

1. What is the GCF of 28, 40, 343?

Answer: GCF of 28, 40, 343 is 1.

2. How to Find the GCF of 28, 40, 343

Answer: Greatest Common Factor(GCF) of 28, 40, 343 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 40, 343) = 1.