Greatest Common Factor of 23, 28, 407, 380

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

• Greatest Common Factor of 23, 28, 407, 380 by common division method
• Greatest Common Factor of 23, 28, 407, 380 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 407

List of positive integer factors of 407 that divides 407 without a remainder.

1,11,37,407

Factors of 380

List of positive integer factors of 380 that divides 380 without a remainder.

1,2,4,5,10,19,20,38,76,95,190,380

Greatest Common Factor

We found the factors 23,28,407,380 . The biggest common factor number is the GCF number.
So the greatest common factor 23,28,407,380 is 1.

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

• GCF of 69, 99, 721, 454
• GCF of 69, 98, 359, 858
• GCF of 17, 95, 240, 399
• GCF of 50, 38, 555, 898
• GCF of 36, 92, 302, 846

1. What is the GCF of 23, 28, 407, 380?

Answer: GCF of 23, 28, 407, 380 is 1.

2. How to Find the GCF of 23, 28, 407, 380

Answer: Greatest Common Factor(GCF) of 23, 28, 407, 380 = 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, 407, 380) = 1.