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Arithmetics
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Associated training puzzles
Sum of divisors
by nicola
Sum of divisors
XP
+50 XP
Completed by 1,644 CodinGamers
0
done
Carmichael numbers
by nicola
Carmichael numbers
XP
+50 XP
Completed by 606 CodinGamers
0
done
Porcupine Fever
by Unihedron
Porcupine Fever
XP
+50 XP
Completed by 765 CodinGamers
0
done
ISBN Check digit
by java_coffee_cup
ISBN Check digit
XP
+50 XP
Completed by 747 CodinGamers
0
done
ANEO Sponsored Puzzle
XP
+100 XP
Completed by 2,048 CodinGamers
0
done
Factorials of primes decomposition
by nicola
Factorials of primes decomposition
XP
+50 XP
Completed by 56 CodinGamers
0
done
Remainder Fantasy
by java_coffee_cup
Remainder Fantasy
XP
+50 XP
Completed by 44 CodinGamers
0
done
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