Greatest Common Factor of 399, 678, 978

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

• Greatest Common Factor of 399, 678, 978 by common division method
• Greatest Common Factor of 399, 678, 978 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

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 678

List of positive integer factors of 678 that divides 678 without a remainder.

1,2,3,6,113,226,339,678

Factors of 978

List of positive integer factors of 978 that divides 978 without a remainder.

1,2,3,6,163,326,489,978

Greatest Common Factor

We found the factors 399,678,978 . The biggest common factor number is the GCF number.
So the greatest common factor 399,678,978 is 3.

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

• GCF of 396, 826, 399
• GCF of 597, 200, 950
• GCF of 431, 184, 914
• GCF of 791, 962, 437
• GCF of 802, 560, 788

1. What is the GCF of 399, 678, 978?

Answer: GCF of 399, 678, 978 is 3.

2. How to Find the GCF of 399, 678, 978

Answer: Greatest Common Factor(GCF) of 399, 678, 978 = 3

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

Step 2: Then multiply all the prime factors GCF(399, 678, 978) = 3.