RSA-370
In mathematics, a challenge arose,
To find the factors, no one knows.
The RSA numbers, large and grand,
With two prime factors, they do stand.
From RSA-100 to RSA-617,
These semiprimes were quite a lesson.
Created by RSA Labs, you see,
To study number theory, with glee.
Cash prizes were offered, oh so great,
For those who could factor, and not be late.
Up to $200,000, what a prize!
But most numbers remain a surprise.
Some numbers were factored, it's true,
But many still remain unsolved, boo-hoo.
The challenge ended, it's no longer alive,
But still, some try to solve and strive.
RSA-617, a special case,
Created before the numbering change took place.
Binary digits, they now count,
To keep the challenge's amount.
So let's remember the RSA Challenge, dear,
A math adventure, nothing to fear.
With prime factors hidden, waiting to be found,
The RSA numbers, forever renowned.
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