Taking 3512-3520.

3428-3432 complete, one prime (804003525 342906)
3472-3476 complete, one prime (67342275 347511)
3476-3480 complete, no primes.

Taking 3520-3532 (3 files)

3448-3452 complete. No primes.

Taking 3532-3552 (5 files).

BTW, 3400-3415 is complete, one prime
3276742755 340049.

3415 is not on WU boundary but FYI :smile:

Taking 3552-3556

Completed:

3452-3456 (no primes)
3460-3464 (1 prime as reported)
3488-3504 (no primes)

3520-3524 complete, no primes
Taking 3556-3560

3528-3532 complete, no primes

3552-3556, no primes.

3504 to 3512 complete. No primes.

Taking 3560 to 3584 (6 files).