Greatest Common Factor of 23, 28, 47, 434

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

• Greatest Common Factor of 23, 28, 47, 434 by common division method
• Greatest Common Factor of 23, 28, 47, 434 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 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 28

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

1,2,4,7,14,28

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 434

List of positive integer factors of 434 that divides 434 without a remainder.

1,2,7,14,31,62,217,434

Greatest Common Factor

We found the factors 23,28,47,434 . The biggest common factor number is the GCF number.
So the greatest common factor 23,28,47,434 is 1.

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

• GCF of 81, 23, 20, 751
• GCF of 71, 45, 16, 642
• GCF of 67, 12, 44, 622
• GCF of 70, 65, 75, 763
• GCF of 10, 57, 47, 687

1. What is the GCF of 23, 28, 47, 434?

Answer: GCF of 23, 28, 47, 434 is 1.

2. How to Find the GCF of 23, 28, 47, 434

Answer: Greatest Common Factor(GCF) of 23, 28, 47, 434 = 1

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

Step 2: Then multiply all the prime factors GCF(23, 28, 47, 434) = 1.