/sci/ - Science & Math

>>14660538
l-looking for a fast algorithm to "snap" rational numbers into ones following a desired prime factorization
e.g.
[eqn]x = 0.0000354 = 2^{-6} \times 3 \times 5^{-7} \times 59 \\
f(0.0000354) = 0.00002 = 2^{-4} \times 5^{-5}[/eqn]
prime factorization algorithms are too slow