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Earn +20 ptsQ: What are the prime between 18 and 30?
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The prime numbers between 18 and 30 are?
19, 23 and 29
How would you use prime factorization for 1 over 18 minus 1 over 30?
Prime factorisation of 18 = 2*3*3 Prime factorisation of 30 = 2*3*5 Then 1/18 = 5*1/5*18 = 5*90 (using the prime factor of 30 that is not in 18) and 1/30 = 3*1/3*30 = 3*90 (using the extra prime factor of 18 that is not in 30) So 1/18 + 1/30 = 5/90 + 3/90 = 8/90 = 4/45
What is a prime number between 25 or 30?
The only prime number between 25 and 30 is 29.
What would be a prime number between 30 and 40?
There are two prime numbers between 30 and 40 - these are 31 and 37.
How many prime numbers are there between 30-40?
There are 2 prime numbers between 30 and 40: 31 and 37.
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