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International Contests
Nordic
2015 Nordic
2
2
Part of
2015 Nordic
Problems
(1)
3 primes with sum 101 times their product or the opposite
Source: Nordic Mathematical Contest 2015 #2
9/23/2017
Find the primes
p
,
q
,
r
{p, q, r}
p
,
q
,
r
, given that one of the numbers
p
q
r
{pqr}
pq
r
and
p
+
q
+
r
{p + q + r}
p
+
q
+
r
is
101
{101}
101
times the other.
prime numbers
number theory