"Graham's number, named after Ronald Graham, is a large number often described as the largest finite number that has ever been seriously used in a mathematical proof.
"Guinness World Records even listed Graham's number as the World Champion largest number. Graham's number is much larger than other well known large numbers such as a googol and a googolplex, and even larger than Skewes' number and Moser's number, other well-known large numbers.
"Indeed, there is no concise way to write Graham's number, or any reasonable approximation using conventional mathematical operators. Even power towers (of the form
) are useless for this purpose. It can be most easily notated by recursive means using Knuth's up-arrow notation or the Hyper operator.- G = g64 where
, 
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Hmmm. Thought I'd seen several church covenants that tacked on enough man-made rules and legalisms to make Graham's Number pale in comparison.
