Replace old factoring with Baillie-PSW #78

Job	Run time
Generate build matrix for CMake Test Package CI	7s
Apple Clang 15 C++20 fmtlib gsl-lite Debug	1s
Apple Clang 15 C++20 fmtlib none Release	1s
Clang-16 (x86-64) C++20 fmtlib gsl-lite Debug	2m 0s
Clang-16 (x86-64) C++20 fmtlib none Release	1m 36s
Clang-17 (x86-64) C++20 fmtlib none Debug	1m 10s
Clang-17 (x86-64) C++20 std::format gsl-lite Debug	1m 15s
Clang-18 (arm64) C++20 std::format gsl-lite Debug	1s
Clang-18 (arm64) C++23 fmtlib none Release	1s
Clang-18 (x86-64) C++20 std::format gsl-lite Debug	1m 3s
Clang-18 (x86-64) C++23 std::format none Debug	1m 8s
GCC-12 C++20 fmtlib gsl-lite Debug	46s
GCC-12 C++20 fmtlib ms-gsl Release	43s
GCC-12 C++23 fmtlib ms-gsl Debug	34s
GCC-13 C++20 std::format gsl-lite Debug	19s
GCC-13 C++20 std::format none Release	15s
GCC-14 C++20 fmtlib none Release	13s
GCC-14 C++20 std::format gsl-lite Debug	12s
MSVC 14.4 C++20 fmtlib gsl-lite Debug	3m 30s
MSVC 14.4 C++20 std::format gsl-lite Debug	2m 32s
	17m 27s

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