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What is the greatest common factor of 21 and 306?
The greatest common factor (GCF) of 21 and 306 is 3. To find the GCF, you need to identify the factors of each number. The factors of 21 are 1, 3, 7, and 21, while the factors of 306 are 1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, and 306. The largest number that both 21 and 306 share as a factor is 3, making it the greatest common factor.
Factors of 306?
The factors of 306 are: 1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306.
What is the greatest common factor of 306?
There is not a greatest common factor of a single number, such as 306, because there cannot be a greatest common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The greatest common factor is the largest factor that all the numbers being compared have in common. The factors of 306 are 1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, and 306. The prime factors of 306 are 2, 3, 3, and 17. Examples: The greatest common factor of 27 and 306 is 9. The greatest common factor of 128 and 306 is 2. The greatest common factor of 306 and 765 is 153.
What equals 306 by multiplying?
To find what equals 306 by multiplying, we can break down 306 into its prime factors. 306 = 2 x 3 x 3 x 17. Therefore, the numbers that equal 306 by multiplying are the combinations of these prime factors, such as 2 x 3 x 51, 2 x 9 x 17, 3 x 3 x 34, etc.
What number less than 100 has exactly 4 prime factors?
There is more than one possible answer. The prime factors of 16 are 2, 2, 2, and 2. It has four prime factors, but only one distinct prime factor. The prime factors of 24 are 2, 2, 2, and 3. It has four prime factors, but only two distinct prime factors. The prime factors of 36 are 2, 2, 3, and 3. It has four prime factors, but only two distinct prime factors. The prime factors of 40 are 2, 2, 2, and 5. It has four prime factors, but only two distinct prime factors. The prime factors of 54 are 2, 3, 3, and 3. It has four prime factors, but only two distinct prime factors. The prime factors of 56 are 2, 2, 2, and 7. It has four prime factors, but only two distinct prime factors. The prime factors of 60 are 2, 2, 3, and 5. It has four prime factors, but only three distinct prime factors. The prime factors of 81 are 3, 3, 3, and 3. It has four prime factors, but only one distinct prime factor. The prime factors of 84 are 2, 2, 3, and 7. It has four prime factors, but only three distinct prime factors. The prime factors of 88 are 2, 2, 2, and 11. It has four prime factors, but only two distinct prime factors. The prime factors of 90 are 2, 3, 3, and 5. It has four prime factors, but only three distinct prime factors.
