Greatest Common Factor of 645, 699, 816

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

• Greatest Common Factor of 645, 699, 816 by common division method
• Greatest Common Factor of 645, 699, 816 with matching the biggest common factor

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

Factors of 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Factors of 699

List of positive integer factors of 699 that divides 699 without a remainder.

1,3,233,699

Factors of 816

List of positive integer factors of 816 that divides 816 without a remainder.

1,2,3,4,6,8,12,16,17,24,34,48,51,68,102,136,204,272,408,816

Greatest Common Factor

We found the factors 645,699,816 . The biggest common factor number is the GCF number.
So the greatest common factor 645,699,816 is 3.

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

• GCF of 970, 789, 860
• GCF of 201, 702, 474
• GCF of 954, 751, 765
• GCF of 578, 692, 965
• GCF of 468, 898, 111

1. What is the GCF of 645, 699, 816?

Answer: GCF of 645, 699, 816 is 3.

2. How to Find the GCF of 645, 699, 816

Answer: Greatest Common Factor(GCF) of 645, 699, 816 = 3

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

Step 2: Then multiply all the prime factors GCF(645, 699, 816) = 3.