!7 to 600,000 is 20% done.

!7 to 600,000 is 30% done.

!7 to 600,000 is 40% done.

!7 to 600,000 is 50% done.

!7 to 600,000 is 60% done.

!7 to 600,000 is 70% done. It will take about 2 months to finish the 20% (or the original range) at home and about 3 months to finish the last 10% at work.

!7 is done to 500,000 for both +1 and -1

554297!7-1 is prime!

I was not expecting to find a second prime in this range. There are less than 3500 tests left to complete what I started nearly a year ago.

:party:
Congrats!

Congratulations, great find! :smile:

Finally done with !7 to 600,000. 2 primes were found, both of which I reported.