Analysis of information sources in references of the Wikipedia article "プライム" in Japanese language version.
a′, a″, a‴, etc., which are usually read a prime, a second, a third, etc.
a′, a″, a‴, etc., which are usually read a prime, a second, or a double prime, etc. In England these are often read a dash, a double dash, or a two dash, etc.
