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The product of the five smallest two-digit prime numbers is closest to
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11 Aug 2021, 01:10
11 Aug 2021, 01:10
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Question Stats:
57% (01:10) correct
42% (00:48) wrong based on 21 sessions
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The product of the five smallest two-digit prime numbers is closest to which of the following powers of 10?
(A) \(10^9\)
(B) \(10^8\)
(C) \(10^7\)
(D) \(10^6\)
(E) \(10^5\)
Kudos for the right answer and explanation
Question part of the project GRE Quant/Math Extreme Challenge Daily (2021) Edition
GRE - Math Book
(A) \(10^9\)
(B) \(10^8\)
(C) \(10^7\)
(D) \(10^6\)
(E) \(10^5\)
Kudos for the right answer and explanation
Question part of the project GRE Quant/Math Extreme Challenge Daily (2021) Edition
GRE - Math Book
Re: The product of the five smallest two-digit prime numbers is closest to
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11 Aug 2021, 02:33
11 Aug 2021, 02:33
1
1
The smallest two-digit prime nos are 11, 13, 17, 19, 23
The answer will surely be greater than \(10^5\) and closer to \(10^6\).
One can try the calculator
OR
\(11∗13∗17∗18∗23 ≈ 10∗10∗20∗20∗25 = 100∗10,000=10^6\)
Answer D
The answer will surely be greater than \(10^5\) and closer to \(10^6\).
One can try the calculator
OR
\(11∗13∗17∗18∗23 ≈ 10∗10∗20∗20∗25 = 100∗10,000=10^6\)
Answer D
Re: The product of the five smallest two-digit prime numbers is closest to
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11 Sep 2021, 12:50
11 Sep 2021, 12:50
Why don't you write 13 as 15? Because you had written 23 as 25
