Greatest Common Factor of 399, 918, 28

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

• Greatest Common Factor of 399, 918, 28 by common division method
• Greatest Common Factor of 399, 918, 28 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 399

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

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

Factors of 918

List of positive integer factors of 918 that divides 918 without a remainder.

1,2,3,6,9,17,18,27,34,51,54,102,153,306,459,918

Factors of 28

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

1,2,4,7,14,28

Greatest Common Factor

We found the factors 399,918,28 . The biggest common factor number is the GCF number.
So the greatest common factor 399,918,28 is 1.

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

• GCF of 427, 554, 94
• GCF of 631, 600, 24
• GCF of 693, 173, 33
• GCF of 134, 766, 44
• GCF of 175, 191, 36

1. What is the GCF of 399, 918, 28?

Answer: GCF of 399, 918, 28 is 1.

2. How to Find the GCF of 399, 918, 28

Answer: Greatest Common Factor(GCF) of 399, 918, 28 = 1

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

Step 2: Then multiply all the prime factors GCF(399, 918, 28) = 1.