The mini-post Bill Gates’ favourite prime number, encrypted below, can only be read on a friday. Here’s why.

[BEGIN URLCRYPT decode at lce.xamai.ca/urlcrypt.php]

cScSYXdhkQUWRwVOMHzMMFdHwVdCU3VU5LcSNgXc 1VB2plVn7jPqxmJD51UWFETGVWUTR2XNNmH89EBH M3EYxUAKcxOPoEVwcjJgUCGX4Bdd0xTkAFW2YVGi YoEqs1FulUWaZRQCalJRd0Ix0iNq4BnAdERckxfE VEMYpRGwM1MUIlJSN0Sd2VVXETUdFTZwUDq6IEVe Z1EZFDFVlUIDx0Y+ZRYXQyWCREGWs0RIVzPItGGh MDLSZFEXZFWqAWXFpSVUN2VjU1R4FGVCdlFdlVLM VUl8czJlZCWDBRXc9jFhoFRrYVGmAFZhplViMRXd x0SOFTGVoVM10zNgAhUYl1RTglKUIEKZh1N8dFIU sVLGZnM1ITz6UnXBcXc1FncGwQBJYgACQ3BJUHC1 tweDMnBAcnBEsQ3KkwBk0VUmcSJ8N9eQoAEDlzOP ljQF3CELZCUpEUWhZlKdFlSIdRZLBVMkA4Al9CXe J3EW5VMvRRHoEFVqEVIQZ115YFWYYVc98kM4c9Zr 12drRURBB0EJL1KVFBaZl0YeECjUQUNdFFTLZFWh gNGZRSMqAiLRNlXrZUVWMyWRcDRQRC5bBCFSlyRQ sUWYM/Wu0lQlZTJl9GXQbVXaB1UhUVShglWZYiWw QRWoMxVWBZUMl1NXZVZ2ESIpbDXU5lWTIELUsgyo EFVqEVIQZVOWJIWYYVUXATXXhCMgoSZwk1XE5FQe 9iF6lmYukXYklmcmxHdpNXauc3d39yLmrDc0RHaA 5FQTYV5TZDFEtSSZ0yVss0QXkCVZBFGL5lYMtEQp ADIq4CESh1BHNBUqQxEoEFXzAvQlQxUzYlXagRX5 8lFa8DSPlEIuk1rFB0EUUEIAB1AQIbT20lJVdBOS NEGTdFTXETUdFTZ3QSVrABWYR0EfgCQZNladt0Jf cTWYYSQo+lFdVFW2gET3YiprpWeANERbtxaitkRU lSUcFTUXQhU+3iUVpnGjdxOaVRXhAyLmICWXMkUE dqFoEVR3kkSjdFLkD0FtJAAIoAGR1ymYkVKkISZm g1QQkYXaZxKRlFMQ0kNjBnT50DTCUQAA4w5CoXAB IXd2NneDAJAJsQBCEXDJMHBOAQdEM3BFM3CIoQyM EAAxpQB0Znc8NrdIAAET4gF14DPF4UPRdzWzQha5 YlOEdxYIh2P+50JnEDLxISXr12SWJkHwQxQhYkVj ZVIa5VmnYFVY0lTFdzWV0NJlNyKqMkQQw1RbZEPG JFZV9UMHdyEUQFKHBUUURlUidlVaVWIhYjISdxQ+ IFRWASWUxyUqNW5GpSUaRCVRZVW1p1FxwUXiwiFl 9SUfNUWUplcldkFwYlqWBTX2clXMkTPy8aNFowfF gAe4lHeH4XDK0gDOsAeJwQq51AB+9QeJoAfOkUDF UQBKgUNHByJjmCMtAhUdpVQGVmGRVULCxELEViUX EsZAVFTZ93FuQFXdcgC

[END URLCRYPT]