Theresa May led tributes to the royal following the announcement earlier this summer, saying he had given the monarch "steadfast support" during his years of service, the Press Association reported.
"I hope the duke, after 22,219 solo engagements since 1952, can now enjoy a well-earned retirement!" she said. He has given almost 5,500 speeches, made more than 600 overseas trips and served as patron for almost 800 organizations.
Philip's lengthy career, marked by hundreds of visits to far-flung corners of the British Empire, has unsurprisingly produced some remarkable royal photography.
In the summer of 1946, Philip asked the King George VI for his daughter's hand in marriage, delaying the public announcement of their engagement until Elizabeth turned 21 the following April.
Philip, who's the longest-serving royal spouse in British history, has carried out an astounding number of duties over the last six decades.
Massa 'genuinely upset' to miss Hungary race - Williams
It was a Herculean task for the Scot because he had not raced in Formula One for 1,343 days or ever driven the new breed of cars. Paul Di Resta turned up to the Hungaroring on Saturday morning, expecting to be in the Sky Sports commentary box.
Over the years Philip has attended many Royal Marines events and in 2014, to mark the Corps' 350th anniversary, the Duke wore his full ceremonial uniform as Captain General to the state opening of parliament.
THE TELEGRAPH today wrongly declared that Prince Philip has died, publishing his obituary online. He also established The Duke of Edinburgh Award in 1956, which aims to instill confidence and new skills in youn g people.
Princess Charlotte, pictured here with her mother the Duchess of Cambridge, is one of Prince Philip's five great-grandchildren.
It is expected that the Prince will continue royal duties at his choosing.
In 1995, he publicly wondered whether Scots could be kept "off the booze long enough" to pass a driving test.
The Telegraph is not alone in its faux pas.