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How many numbers from 2 to 50 are not prime and are such that neither the number nor double the number is divisible by a perfect square greater than 1?
Wiki User
∙ 12y ago
Interesting question! OK, first of all the perfect squares between 2 to 100 are:
4,9,16,25,36,49,64,81 & 100.
The prime numbers between 2 and 50 are:
2,3,5,7,11,13,17,19,23,29,31,37,41,43 & 47.
This leaves all other numbers between 2 to 50 to consider.
However, all even numbers from 4 onward will either themselves or their doubles divide by 4, so we only need consider the odd numbers.
The numbers which therefore meet this criteria are:
15, 21, 33 & 39
Therefore the answer is 4.
Wiki User
∙ 12y ago
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What is the smallest perfect square that is divisible by the four smallest prime numbers?
44,100
How many numbers from 1976 to 2013 are perfect square numbers?
None. √1976 is "44 and a bit" → first perfect square ≥ 1976 is 452 = 2025 As 1976 is not a perfect square and the first perfect square greater than 1976 is 2025, and 2025 is greater than 2013, there are no perfect squares from 1976 to 2013.
How many different numbers between 2 to 100 satisfy all three what conditions 1. The number is not a prime number. 2. The number is not divisible by a perfect square greater than one.?
There's no way of knowing which numbers satisfy all three conditions without knowing the third condition.
Can odd perfect numbers exist after 100000000000000000000000000000000000000000000000000?
So far, no odd perfect numbers have been found to exist. If and only if one does exist, it will be far larger than the number in the question. In fact, it has been proven concretely that if an odd perfect number exists, it is greater than 10^300, and it is conjectured that if such a number exists, it is greater than 10^500.
What are the characteristics of a perfect square?
divisible by 2
What is the smallest perfect square that is divisible by the four smallest prime numbers?
44,100
What is the least number which is a perfect square and is divisible by each of the numbers 16 20 and 24?
360
How many numbers from 1976 to 2013 are perfect square numbers?
None. √1976 is "44 and a bit" → first perfect square ≥ 1976 is 452 = 2025 As 1976 is not a perfect square and the first perfect square greater than 1976 is 2025, and 2025 is greater than 2013, there are no perfect squares from 1976 to 2013.
What is the smallest positive perfect square that is divisible by the four smallest prime numbers?
(3x5x7x11)2 =1334025
How many different numbers between 2 to 100 satisfy all three what conditions 1. The number is not a prime number. 2. The number is not divisible by a perfect square greater than one.?
There's no way of knowing which numbers satisfy all three conditions without knowing the third condition.
Can odd perfect numbers exist after 100000000000000000000000000000000000000000000000000?
So far, no odd perfect numbers have been found to exist. If and only if one does exist, it will be far larger than the number in the question. In fact, it has been proven concretely that if an odd perfect number exists, it is greater than 10^300, and it is conjectured that if such a number exists, it is greater than 10^500.
What are the characteristics of a perfect square?
divisible by 2
How many perfect square numbers are less than 1694 and greater than 5929?
There are 41 square numbers less than 1694 and an infinite number greater than 5929. There are 35 square numbers between 1694 and 5929, 36 if you count 5929 itself.
Is 12 perfect square or perfect cube?
Neither you dunkhead
What are all perfect numbers greater than 0 and less than 30?
no... 496 8,128 33,550,336 8,589,869,056 137,438,691,328 2,305,843,008,139,952,128
Smallest perfect square divisible by 7?
It is 49.
Is 2 a perfect square and perfect cube?
No, 2 is neither a perfect square nor a perfect cube.
