Greatest Common Factor of 5, 40, 399

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

• Greatest Common Factor of 5, 40, 399 by common division method
• Greatest Common Factor of 5, 40, 399 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 5

List of positive integer factors of 5 that divides 5 without a remainder.

1,5

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 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Greatest Common Factor

We found the factors 5,40,399 . The biggest common factor number is the GCF number.
So the greatest common factor 5,40,399 is 1.

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

• GCF of 4, 86, 465
• GCF of 5, 50, 367
• GCF of 4, 89, 270
• GCF of 7, 40, 149
• GCF of 8, 88, 254

1. What is the GCF of 5, 40, 399?

Answer: GCF of 5, 40, 399 is 1.

2. How to Find the GCF of 5, 40, 399

Answer: Greatest Common Factor(GCF) of 5, 40, 399 = 1

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

Step 2: Then multiply all the prime factors GCF(5, 40, 399) = 1.