APR primality logging not cleared
When the input number is between 400 and 500 digits and a factor less than 21 digits is found part of the APR status line is gets printed at the end of the Found prime factor of X digits line
APR primality test: P = 3, Q = 31 (18.02%)
$ echo '(10^400+69)*(10^10+19)' | ./ecm -sigma 0:10241 1e4 1e6
GMP-ECM 7.0.6-dev [configured with GMP 6.3.0, --enable-asm-redc, --enable-assert] [ECM]
Input number is (10^400+69)*(10^10+19) (411 digits)
Using B1=10000, B2=1000000, polynomial x^1, sigma=0:10241
Using Lucas chain codes
Step 1 took 74ms
Step 2 took 28ms
********** Factor found in step 2: 10000000019
Found prime factor of 11 digits: 10000000019 (99.77%)
Prime cofactor ((10^400+69)*(10^10+19))/10000000019 has 401 digits
$ echo '(10^400+69)*(10^11+3)' | ./ecm -sigma 0:10282 1e4 1e6
Found prime factor of 12 digits: 100000000003 (99.77%)
$ echo '(10^400+69)*(10^12+39)' | ./ecm -sigma 0:10269 1e4 1e6
Found prime factor of 13 digits: 1000000000039(99.77%)
$ echo '(10^400+69)*(10^13+37)' | ./ecm -sigma 0:10313 1e4 1e6
********** Factor found in step 1: 10000000000037
Found prime factor of 14 digits: 1000000000003799.77%)
$ echo '(10^400+69)*(10^14+31)' | ./ecm -sigma 0:10026 1e4 1e6
********** Factor found in step 1: 100000000000031
Found prime factor of 15 digits: 1000000000000319.77%)
$ echo '(10^400+69)*(10^17+3)' | ./ecm -sigma 0:10160 1e4 1e6
********** Factor found in step 1: 100000000000000003
Found prime factor of 18 digits: 1000000000000000037%)
$ echo '(10^400+69)*(10^19+51)' | ./ecm -sigma 0:10019 1e4 1e6
********** Factor found in step 1: 10000000000000000051
Found prime factor of 20 digits: 10000000000000000051)