361700055

This number is a composite.

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Multiplying this number by 2³⁹⁰²⁰ ± 1 provides the largest known twin prime pair of the 20th century. Each prime contains 11755 digits and was found by Henri Lifchitz of France in 1999.

Submitted: 2000-01-03 01:25:29; Last Modified: 2008-01-30 17:28:00.