The GP was adopted by Christian cultists from early on thereby imbuing it which significance that has not dimmed with the ages.

"There has been much speculation by occultists about the pyramid structures of ancient civilizations... the uniqueness of pyramid construction and shape is thought to have some occult significance.... Occult speculations regarding the Great Pyramid have arisen mainly around its constructions, dimensions and possible use.... The pyramidology cults which ascribe occult significance to the dimensions and measurements of the Great Pyramid date back to the 1830s,.... mathematician John Taylor and Scottish astronomer Charles Piazza [sic] Smyth claimed that the pyramid embodied divine revelations and prophecy, calculated from its measurements.... It was from Smyth's calculations that Charles Taze Russell, founder of the sect of Jehovah's Witnesses, based his own prophecy of the Second coming of Christ..."[www.seanet.com]


See also "Pyramidology":

[en.wikipedia.org]