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In my laptop for 200 digit numbers sage: time p=next_prime(10^200)
CPU times: user 1.04 s, sys: 591 µs, total: 1.04 s Wall time: 1.04 s sage: time p=next_probable_prime(10^200)
CPU times: user 20.7 ms, sys: 0 ns, total: 20.7 ms Wall time: 21.8 ms

What return exacty next_probable_prime? When is desired to use it?

In my laptop for 200 digit numbers numbers

sage: time p=next_prime(10^200) 
 
CPU times: user 1.04 s, sys: 591 µs, total: 1.04 s
Wall time: 1.04 s
sage: time p=next_probable_prime(10^200) 
 
CPU times: user 20.7 ms, sys: 0 ns, total: 20.7 ms
Wall time: 21.8 ms
ms

What return exacty next_probable_prime? When is desired to use it?