Elitmus
Exam
Numerical Ability
Data Sufficiency
N^3-1 will be prime for which value of the following (example for N=2, N^3-1=7 which is a prime)
a)3
Read Solution (Total 6)
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- there 1727 is not a prime number.....1727 is divisible by 11
- 8 years agoHelpfull: Yes(1) No(0)
- complete qstn is:
1) N^3-1 will be prime for which value of the following (example for N=2, N^3-1=7 which is a prime)
a)3 - 11 years agoHelpfull: Yes(0) No(19)
- I think only for N=1,
- 9 years agoHelpfull: Yes(0) No(1)
- for N=12 ,
12^3-1=
1728-1=1727 which is a prime number
- 9 years agoHelpfull: Yes(0) No(1)
- please give the question complete yaar
- 8 years agoHelpfull: Yes(0) No(0)
- question is incomplete
- 2 years agoHelpfull: Yes(0) No(0)
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