I'm trying to understand how the number decimal
The correct decimal number is:
163325259729739139586456854939342071588766536976661696628405612100543978684304953042431845499808366612030757037530278155957389217094639917994417350499882225626580260012564702898468467277918937337494297292631474713546289580689715170963879872522418640251986734692138838546500522994170062961577034037699354013013
or in hex:
0x00e8953849f11e932e9127af35e1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000051f8eb7d0556e09ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffbad55
Could be factorized.
This is supposed to be a semiprime and although the sequence of "0"s and "F"s seems to help this problem to be solved, I cannot figure out how can i do it.
Edit 1: I have pasted the wrong number. Now this is the correct one.
Edit 2: This is supposed to be solvable
is the product of
and
and according to WolframAlpha both of these factors are prime.
I used Fermat's factorization method which works very quickly for this number because the factors differ from $\sqrt{n}$ by only $534$.
The hex representation gave me a clue that this might work, can you see why?