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The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.
Since 17 is a single number, you could say that it shares all of its factors with itself. So the greatest factor of 17 is 17.
17 is a Prime number, so the gcf of 17 would be 1.
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Apart from the fact that a single number cannot have a COMMON factor - greatest or least, 17 does have a greater factor than 1. And that is 17 itself!
A number cannot have a gcf...need at least two
You need at least two numbers to find a GCF.
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What is the greatest common factor for 34 and 17?
The greatest common factor of 34 , 17 = 17
What is a greatest common factor of 17 and 51?
17 is the greatest common factor - it goes into 17 once, and 51 three times.
What is the greatest common factor of 34 and 51?
Greatest common factor of 51 and 34 is 17.
Greatest common factor of 17 and 68?
17
What is the greatest common factor of 51 and 119?
The factors of 51 are 1, 3, 17, and 51. The factors of 119 are 1, 7, 17, and 119. The factors they have in common are 1 and 17. Therefore the greatest common factor is 17. The greatest common factor can also be determined from the prime factors. The prime factors of 51 are 3 and 17. The prime factors of 119 are 7 and 17. The prime factors they have in common are a single 17, so the greatest common factor is 17.
