GMAT
Exam
The numbers {1,3,6,7,7,7} are used to form three 2-digit numbers.If the sum of these three numbers is a prime number p,wwhat is the largest possible value of p?
Read Solution (Total 5)
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- I think 211 is the largest prime number possible.
77+63+71 = 211 - 11 years agoHelpfull: Yes(4) No(1)
- 211 is the largest prime number.
Formation of 3 two digit number from {1,3,6,7,7,7} : (Maximum)
76, 73 and 71. Sum : 76+73+71 = 220. But 220 is not a prime number. Now again form 3 two digit number.
67,73 and 71. Sum : 67+73+71 = 211. It is a prime number - 11 years agoHelpfull: Yes(2) No(1)
- 1489
773+716 = 1489 - 11 years agoHelpfull: Yes(1) No(2)
- 211
considering three 2 digit numbers
77+63+71 = 211 - 11 years agoHelpfull: Yes(1) No(0)
- 67 prime number
73 prime number
71 prime number total=211 - 10 years agoHelpfull: Yes(0) No(0)
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