This is the 8849th most frequent Russian word.
прайм
"Прайм" in Russian means "prime" and often refers to the best, supreme quality, a prime time, or something central or essential depending on context.
Here, 'прайм-тайм' refers to prime time, the period of the day when television viewership is highest.
Мне нравится смотреть сериалы в прайм-тайм.
I like watching series in prime time.
In this sentence, 'прайм' is used in the context of a high-profile or premiere project.
На телевидении сегодня стартует новый прайм-проект.
A new prime project starts today on television.
Here, 'прайм' signifies something prime or fundamental, applied in the context of a coding project.