Similar words: phone number, page number, to the number of, a large number of, number, outnumber, a number of, any number of. Meaning: n. an integer that has no integral factors but itself and 1.
31. One such puzzle could be finding a hidden prime number in a given text.
More similar words: phone number, page number, to the number of, a large number of, number, outnumber, a number of, any number of, atomic number, serial number, account number, lumber, plumber, slumber, cucumber, encumber, lumbering, prime, cumbersome, lumberyard, lumberjack, unencumbered, primeval, cybercrime, prime mover, as cool as a cucumber, experiment, detriment, merriment, prime minister.