mukushla
find 2 prime numbers p,q such that
p+q=1111



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hartnn
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isn't consecutive, hence difficult.

zzr0ck3r
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1109 2

mukushla
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lol

mukushla
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that was good

hartnn
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yup, i got the same.

zzr0ck3r
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hehe

ganeshie8
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how do we knw 1109 is a prime any easy test ?

hartnn
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find nearest perfect square from 1109

mukushla
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prime numbers less then sqrt(1109)

.Sam.
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@hartnn 1089  1156

.Sam.
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@mukushla 2  3  5  7  11  13  17  19  23  29  31

hartnn
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take less than, so 33^2 , right ?
now divide 1109 by all primes less than 33 and see whether remainder = 0, if not ,then prime.