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2021 India STEMS
STEMS 2021 Math Cat C
Q3
Q3
Part of
STEMS 2021 Math Cat C
Problems
(1)
primes in a sequence
Source: STEMS 2021 Math Cat C Q3
1/25/2021
Let
p
∈
N
∖
{
0
,
1
}
p \in \mathbb{N} \setminus \{0, 1\}
p
∈
N
∖
{
0
,
1
}
be a fixed positive integer. Prove that for every
K
>
0
K > 0
K
>
0
, there exist infinitely many
n
n
n
and
N
N
N
such that there are atleast
K
N
log
(
N
)
\dfrac{KN}{\log(N)}
lo
g
(
N
)
K
N
primes among the following
N
N
N
numbers given by
n
+
1
,
n
+
2
p
,
n
+
3
p
,
⋯
,
n
+
N
p
.
n + 1, n + 2^p, n + 3^p, \cdots, n + N^p.
n
+
1
,
n
+
2
p
,
n
+
3
p
,
⋯
,
n
+
N
p
.
Proposed by Bimit Mandal
Analytic Number Theory