Anagrams of: EIMOPR

• of or relating to or being an integer that cannot be factored into other integers

• a natural number that has exactly two distinct natural number divisors: 1 and itself

• the period of greatest prosperity or productivity

• the second canonical hour; about 6 a.m.

• the time of maturity when power and vigor are greatest

• first in rank or degree

• used of the first or originating agent

• of superior grade

• being at the best stage of development

• insert a primer into (a gun, mine, or charge) preparatory to detonation or firing

• cover with a primer; apply a primer to

• fill with priming liquid

• the principal part of a duet (especially a piano duet)

• the best of its kind

• An introduction, preface or preamble.

• a composition written in metrical feet forming rhythmical lines

• a formal ball held for a school class toward the end of the academic year

• a series of waves in the hair made by applying heat and chemicals

• the administrative center of Perm Krai, Russia, located on the banks of the Kama River in the European part of Russia near the Ural Mountains

• give a permanent wave to

• someone who wastes time

• move around slowly and aimlessly

• be apathetic, gloomy, or dazed

• affectedly dainty or refined

• exaggeratedly proper

• assume a prim appearance

• contract one's lips

• dress primly