Typical or maximum flash write erase cycles

I am using nrf52840 and have two questions regarding flash memory.

1. If the write erase cycles limit is reached for certain page of the flash, only that page is going to be affected or the full memory? I think it will the page only, but need to clarify.

2. In the nrf52840. flash write erase cycles are min. 10000, what is the typical or maximum count?

Thank you.

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