Co-prime numbers are pairs of numbers that have no common factors other than 1.

She co-reports with her colleague on the project.

They are co-reporting the news.

The journalists co-reported the story.

They co-report on the latest news.

I love the taste of Co-Jack cheese on my sandwich.

The co-ownerships of the building were divided among the tenants.

They entered into a co-ownership agreement for the property.

They co-directed the movie together.

They co-direct the company together.