This is the 3021st most frequent Japanese word.
プライム
"プライム" (puraimu) in Japanese means "prime," referring to something of the highest quality, importance, or a mathematical prime number.
The usage of 'プライム' here refers to the exceptional quality or premier status associated with the product.
この製品はプライム品質です。
This product is prime quality.
In this case, 'プライム' is used as a branding term to refer to a membership offering benefits, likely inspired by services like Amazon Prime.
プライム会員になると送料が無料になります。
Becoming a Prime member makes shipping free.
Here, 'プライム' is utilized in the mathematical context, referring to numbers that have no divisors other than one and themselves.