Primes to 100


{{row*10 + col}}



Using the Sieve of Eratosthenes     Show me

1.
{{row*10 + col}}
{{v}}.
{{row*10 + col}}
+
{{row*10 + col}}
=
{{row*10 + col}}

{{row*10 + col}}
=
{{row*10 + col}}
=
{{row*10 + col}}



Spot the Prime {{ logStats.lastAcc*100 | number:0 }}% correct in the last {{ logStats.last }} attempts ({{ logStats.allAcc*100 | number:0 }}% {{ log.length }})

{{ questionPrime }}