What number between 1 and 20 has 5 factors? Factoring is the process of multiplying two numbers to get an original number. For example, to find the factor of 2 we solve it using multiplication. That is, 1 x 2 = 2, where 1 and 2 is the factor of 2. The answer is 16. Let us use a factor tree.
What kind of number is between 1 and 20?
Eduardo thinks of a number between 1 and 20 that has exactly 5 factors. What number is he thinking of? | Socratic Eduardo thinks of a number between 1 and 20 that has exactly 5 factors. What number is he thinking of? It is apparent that a number cannot be a prime number, if it has exactly 5 factors. So it is among {4,6,8,10,12,14,16,18,20}
Which is the largest number with 5 factors?
It would seem that the largest one is most likely to have 5 factors, so let’s look at 16 first. Factors of 16: 1, 2, 4, 8, 16 ← there are 5 factors! As a check, let’s consider the other squares: 1 has only 1 factor.
How many factors are there in the number 16?
Factors of 16: 1, 2, 4, 8, 16 ← there are 5 factors! As a check, let’s consider the other squares: 1 has only 1 factor.
What is the formula for factor of 20?
Factors of 20 = 1, 2, 4, 5, 10 and 20 Factors of – 20 As – 4 and – 5 are negative factors, because you get a positive number by multiplying two negatives, like (- 4) × (- 5) = 20.
How to calculate the factor of 20 in numerical order?
Here is a list of all the positive and negative factors of 20 in numerical order. 1, 2, 4, 5, 20, – 1, – 2, – 4, – 5, – 20. List all the factors of 20 Answer: 1, 2, 4, 5, 20, – 1, – 2, – 4, – 5, – 20. Factor of 20 in Pairs . 1 x20, 2 x10, 4 x 5, 5 x 4, 10 x 2, 20 x 1 . 1 and 20 are a factor pair of 20 since 1 x 20 = 20
Which is a negative factor of the number 20?
As – 4 and – 5 are negative factors, because you get a positive number by multiplying two negatives, like (- 4) × (- 5) = 20. Here is a list of all the positive and negative factors of 20 in numerical order.
