Large prime numbers The number 2 4497 − 1 is prime. At the time that this number was determined to be prime, it took one of the world's fastest computers about 60 days to verify that it was prime. This computer was capable of performing 2 × 10 11 calculations per second. Use scientific form to estimate the number of calculations needed to perform this computation. (More recently, in 2005 , 2 m , miles − 1 , a number containing 9,152,052 digits. was shown to be prime.)
Large prime numbers The number 2 4497 − 1 is prime. At the time that this number was determined to be prime, it took one of the world's fastest computers about 60 days to verify that it was prime. This computer was capable of performing 2 × 10 11 calculations per second. Use scientific form to estimate the number of calculations needed to perform this computation. (More recently, in 2005 , 2 m , miles − 1 , a number containing 9,152,052 digits. was shown to be prime.)
Solution Summary: The author calculates the total number of calculations required to perform the given computation.
Large prime numbers The number
2
4497
−
1
is prime. At the time that this number was determined to be prime, it took one of the world's fastest computers about 60 days to verify that it was prime. This computer was capable of performing
2
×
10
11
calculations per second. Use scientific form to estimate the number of calculations needed to perform this computation. (More recently, in
2005
,
2
m
,
miles
−
1
,
a number containing 9,152,052 digits. was shown to be prime.)
Suppose a city's population is 740,000. If the population grows by 12,620 per year, find the population of the city in 7 years. Round to the nearest whole number, as needed and put the comma in the appropriate location.
Ee.4.
In a garden of fruit trees, 1/2 are Mango trees, 1/4 are Jackfruit trees, 1/6 are Rambutan trees. You can calculate how many trees are there in the garden by counting the Durian trees. There are 100 Durian trees, so how many trees are in the garden?
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