Factor Info
| ID | 143257 |
| Size | 151 digits / 501 bits |
| Status | composite |
| Value | 5031121710592981470734232891062962832482906572997367053525686068412866699259208321685967264266569658477818951420060398843687201451220941214121827061301 |
Factorizations
| Primary | (ID: 143136) 279199061472649689615930789290784389297167871396904357110743 (proven prime) |
| (ID: 179136) 18019837473865683530297042168511802416138863670857816469361314598366032523180144089705962707 (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.