Greatest Common Factor of 30, 28, 343

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

• Greatest Common Factor of 30, 28, 343 by common division method
• Greatest Common Factor of 30, 28, 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 28

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

1,2,4,7,14,28

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 30,28,343 . The biggest common factor number is the GCF number.
So the greatest common factor 30,28,343 is 1.

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

• GCF of 51, 70, 499
• GCF of 89, 94, 216
• GCF of 27, 48, 642
• GCF of 74, 41, 763
• GCF of 88, 28, 312

1. What is the GCF of 30, 28, 343?

Answer: GCF of 30, 28, 343 is 1.

2. How to Find the GCF of 30, 28, 343

Answer: Greatest Common Factor(GCF) of 30, 28, 343 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 28, 343) = 1.