Engineering↗
Shanks's Square Forms Factorisation (SQUFOF)
SQUFOF: factoring by finding a square form in the cycle of an indefinite quadratic form, and why it excels for small inputs.
Every page in the KEVOS library tagged SQUFOF. 2 pages.
SQUFOF: factoring by finding a square form in the cycle of an indefinite quadratic form, and why it excels for small inputs.
The SQUFOF algorithm: continued fraction expansion of the square root, square forms, the reverse cycle, multipliers, and why it excels in a narrow but important range.