"To identify the number" means to determine or find out what the number is. It refers to the action of discovering and knowing the specific value or quantity represented by a particular number. Full definition
Principals also identified a number of student - related issues as being of high concern, including mental health issues, managing behavior, and poverty. (naesp.org)
Professionals also identified a number of challenges that impact on filing behavior, including time pressures, budgets, globalization and the lack of tools and resources. (lawyer-monthly.com)
The Connecting Government report identifies a number of challenges in implementing a whole of government approach. (humanrights.gov.au)