When the numbers are very large, no efficient integer factorization algorithm is publicly known; an effort concluded 2009 by several researchers factored a 232-digit number (RSA-768) utilizing hundreds of machines over a span of 2 years.
No efficient integer factorization algorithm is publicly known. The numbers are very large. An effort concluded 2009 by several researchers. An effort was factored a 232-digit number (RSA) utilizing hundreds of machines over a span of 2 years. RSA was 768.