Question

What is the correct plural form of first?

Answer 1

Answer:

correct is first

Explanation:

there will be no change on the word

thank you

Answer 2

The noun first can be countable or uncountable.

In more general, commonly used, contexts, the plural form will also be first.

However, in more specific contexts, the plural form can also be firsts e.g. in reference to various types of firsts or a collection of firsts.