This article is about the prime symbol. For the prime numbers, see
prime number.The prime symbol ( ′ ), double prime symbol ( ″ ), triple prime symbol ( ‴ ) etc. are used to designate several different units, and for various other purposes in
mathematics, the sciences and linguistics. The prime symbol should not be confused with the
apostrophe, single
quotation mark or
acute accent; the double prime should not be confused with the double quotation mark.
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