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CBSE Class 10 Answered

Please solve this question 
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Asked by vikasg13.hardware | 23 Jun, 2018, 05:27: PM
answered-by-expert Expert Answer
As n be th largest integer and a prime number. Take x = 7 and y = 3 as largest prime digit is 7.
For the condition that 10x + y should be prime number x = 7. The number 10x + y is 73 which is prime number.
Hence, n = 7 × 3 × 73 = 1533 and 1 + 5 + 3 + 3 = 12
Answered by Sneha shidid | 27 Jun, 2018, 10:05: AM

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