Factor Info

ID 4577
Size 44 digits / 144 bits
Status composite
Value 15605943253859720436079299493544254636975771

Factorizations

Primary (ID: 4578) 55223513719943993551 (proven prime)
(ID: 4579) 282595984982093378351221 (proven prime)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.