12 items are filed under this topic.
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Prime factors |
2008-05-21 |
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From john:
the first 5 prime numbers are 2,3,5,7,11. which is the smallest number that has these prime factors.
Answered by Stephen La Rocque. |
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13 year and 17 year locusts |
2007-10-12 |
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From stefan:
how many years pass between the years when both 13 year and 17 year locusts are out at the same time?
Answered by Penny Nom. |
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Prime factors in exponential form |
2007-09-06 |
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From Michelle:
how would you write this: factor 48 as a product of primes written in exponential form
Answered by Stephen La Rocque. |
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If the product of A,B,C is 15834, what is A+B+C? |
2007-03-10 |
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From rachel:
if the product of A,B,C is 15834, what is A+B+C?
Answered by Penny Nom. |
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LCM |
2005-12-12 |
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From Alex:
what is the LCM of 210 and 54 and the LCM of 42 and 126
Answered by Penny Nom. |
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252 x ? is a cube |
2004-12-22 |
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From Andrea:
What is the smallest positive interger by which 252 can be multipled so the result is a perfect cubed?
Answered by Penny Nom. |
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an integer with three factors |
2004-08-03 |
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From A student:
What is the probability that a randomly chosen 3 digit number has exactly 3 factors
Answered by Penny Nom. |
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Making a square |
2003-09-07 |
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From A student:
if I am given any number (say 80 for example), how may I determine the smallest whole number integer which when multipled by it will yield a square number ? In other words if I express this as: 80İ*İnİ=İsquareİnumber, what is the least value of n which will yield a square.
Answered by Penny Nom. |
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1575 |
2003-03-13 |
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From Sharyn:
find 6 integers that when multiplied with each other equal +1575 and when the same integers are added together equal zero. there are more positives than negatives and one of the numbers is a double digit between 10 and 20
Answered by Penny Nom. |
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X times Y equals ten million |
2003-02-26 |
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From Baneen:
Would you be able to tell me which two numbers would compute ten million without any number having zeros in it?
Answered by Penny Nom. |
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A zip code problem |
2000-10-26 |
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From Rob Mathis:
Find the zip code of a place in a county so that the product of it and the zip code of another place in another county of the same name, but in a different state, is an exact multiple of the number 123456789
Answered by Claude Tardif. |
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How many zeros? |
2000-04-09 |
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From Greg Potts:
The natural numbers 1 to 25 are multiplied together (1 x 2 x 3x..24 x 25). How many zeros are there in the product of this multiplication?
a)6 b)7 c)5 d)10 or e)4?
Answered by Harley Weston. |
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