Look up P5 in Wiktionary, the free dictionary. P5 may refer to: 311P/PANSTARRS, also known as P/2013 P5 (PANSTARRS), an asteroid discovered by the Pan-STARRS
processors, its implementation and microarchitecture was internally called P5. Like the Intel i486, the Pentium is instruction set compatible with the 32-bit
commitments to the P5+1 and its commitments to the IAEA under the Joint Statement of 11 November 2013. During February to July 2014, the P5+1 and Iran held