Microsoft Authenticator App for IOS, how often to accept

What is the time when "accept" is pressed for MFA and the next time it will ask on an iPhone? For O365 MFA. How long does the token last?

https://docs.microsoft.com/en-us/office365/enterprise/session-timeouts?redirectSourcePath=%252fen-gb%252farticle%252fSession-timeouts-for-Office-365-37a5c116-5b07-4f70-8333-5b86fd2c3c40

Six hours?? is awful short.